plz help!!
need explanation
Will give the brainliest!​

Plz Help!!need ExplanationWill Give The Brainliest!

Answers

Answer 1

Time PeriodA- Sleeping

Time PeriodB-Walking

Time Period C- Running

Time Period D-Walking

Time Period E- Frightened by a loud Noise

Explanation:

The question is asking you to label the time periods shown with the activity that represents the heart rate of the person.

Your heart rate is lowest when you're sleeping because your body is not exercising or under any stress

When you're walking your heart rate will steadily go up but not as high as running because running requires more work and physical strain than walking

Your brain is under extreme stress when you are startled by a loud noise which causes a spike in heart rate.

Answer 2

Answer:

The answer is a

Explanation:

It is not b because when someone is frighented by a sudden loud noise the heart rate will be very pointy.

Not c either because sleeping makes your heart rate very low.

Not d because waking make your heart rate increase (about 90 beats per minute) but then stay in the same rate.

So probably a because running increases your heart rate at a very big level for a long time but then it drop when you stop.

Hope this helps!


Related Questions

List 3 negative impacts does plastic pollution have on the ocean?

Answers

Entanglement
Ingestion
And suffocation

Answer:

Negative physical impact on marine life, chemical impact on the water, and transport of native species.

Explanation:

Negative physical impact on marine life:

Plastic can be dangerous to creatures living in the ocean. Marine animals can fatally swallow plastic, become entangled in it, and even become physically impaired for the rest of their life.

Chemical impact on the water:

Plastics carry chemicals such as PCBs and DDT that can invade the water and cause harm to marine ecosystems.

Transport of native species:

Plastic can carry organisms from one part of the ocean to a relatively remote area. By introducing new organisms to an ecosystem, the flow can be disrupted and result in major consequences.

1.) The scientific name always consists of two words:

Group of answer choices

Genus and species

Family and species

Species and kindom

Domain and species

2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?



Group of answer choices

Puma

concolor

mountain lion

American mountain Lion

Answers

Genus and species
2.Puma

answer the question in one word

-Name a class of vertebrate with homeothermic animal

Answers

Answer:

i hope it helps

Explanation:

Osteichthyes (type of bony fish)

Poikilotherm (Reptiles,amphibians,and fish are poikilotherm)

Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?

Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s)

Answers

Arrow 'f' releases carbon dioxide.

Answer:

F I think I am not sure though hope I helped.

What is the fourth step of virus reproduction?
A. New virus particles are released
B.the host cell Copies the generic information
C. New virus particles are made
D. The host cell reads the Generic information

Answers

The seven stages of virus replication are categorized as follows:

1.
Attachment
2.
Penetration
3.
Uncoating
4.
Replication
5.
Assembly
6.
Maturation
7.
Release
The answer is A. New virus particles are released

How many Oxygen atoms are present in this chemical equation: Na2O3?

Answers

Answer:

3

Explanation:

You can see how many atoms there are next to the element (O3)

its number 3 ik someone already said it but it’s 3

How does carbon enter the atmosphere?
(MULTIPLE CHOICE)

A). plant stomata
B). release of CO2 by the oceans
C). animal and human respiration
D). transpiration
E). decomposition of limestone
F). burning of fossil fuels

Answers

Answer:

B, C, E, & F

Explanation:

All have to deal with a release of energy.

Respiration industrial application, burning fossil fuels so answer will be F and C

Which characteristics belong to Whittaker’s classification system ? A)three domains B)six domains C)two kingdoms D)five kingdoms E)five levels F)seven levels G)eight levels

Answers

Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships. It’s D

Answer:

for the lazy gang it is d

Explanation:

Look at the diagram of the digestive system, write down in order . the organs that food passes through as it moves through the digestive system
answer as a 7-6th grader please

Answers

As we consume food, it is broken down and digested by going through our bodies in the order below.
The order of the digestive system is:
1) the mouth
2) the esophagus
3) the stomach
4) the small intestine
5) the large intestine (colon)
6) the anus
As food is consumed it is first broken down by enzymes in our saliva

First it enters the mouth then goes down the esophagus ( a long tube made of smooth muscles) I after that, it enters the stomach where it is further broken down by acids. The useful enzymes are sent to the liver to be circulated by the blood vessels. The rest is then sent down to the intestines where the small intestine secretes enzymes ne the large intestine collects waste. The anus and rectum push waste out the body, this waste is known as feaces.

How does the cycling of matter and energy in the greenhouse exemplify the Law of Conservation?

Answers

Explanation:

Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.


For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change. Similarly, the law of conservation of energy states that the amount of energy is neither created nor destroyed.

Seed Germination Investigation
 The students are to investigate the process of seed germination during their summer
vacation.
 They will select different types of seeds, such as beans, peas, or sunflower seeds.
 Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
 They should observe and document the changes that occur over time, including the
emergence of roots and shoots.

Answers

Answer:

Okay...In this case I suggest you use corn seed or beans seed

Explanation:

It should take about 6 weeks to see the Germination, until then continue watering it and giving it sunlight

The seed germination investigation during the students' summer vacation involves selecting various seeds (e.g., beans, peas, sunflower) and setting up an experiment. They will place the seeds in different conditions, like light vs. dark or wet vs. dry, and pot the same seed in multiple pots. Throughout the investigation, the students are expected to carefully observe and document the changes that take place over time, including the growth of roots and shoots. This hands-on approach allows them to gain practical knowledge of seed germination and develop essential scientific skills in observation, data collection, and documentation.

biology

1. What is an ecosystem?

2. What are some examples of nonliving things in an ecosystem?

3. What are some factors that could affect the number of organisms in an ecosystem?

4. Why might organisms interact in an ecosystem?

5. Would you expect to find the same kinds of interactions between organisms in very different ecosystems? Why or why not?

6. Why is it important to understand feeding relationships in an ecosystem?

Answers

An ecosystem refers to a community of living organisms (plants, animals, and microbes) interacting with each other and the nonliving components (air, water, and soil) in their environment. It can be as small as a pond or as large as a forest or desert.

Examples of nonliving things in an ecosystem include sunlight, water, air, rocks, soil, and minerals.

Factors that could affect the number of organisms in an ecosystem include the availability of food and water, temperature, weather conditions, availability of shelter or habitats, the presence of predators and disease, and human activities such as deforestation or pollution.

Organisms interact in an ecosystem to obtain resources such as food, water, shelter, and mates, and to avoid being eaten by predators or infected by diseases. Some organisms also form mutualistic relationships, where both parties benefit from the interaction.

Different ecosystems can have different organisms and interactions based on the unique features of each ecosystem, such as climate, geography, and available resources.

Understanding feeding relationships in an ecosystem is important because it helps us understand the flow of energy and nutrients through the ecosystem. This knowledge can inform conservation efforts and help us manage and protect ecosystems for the benefit of all living organisms, including humans.

Answer:

1. An ecosystem is a system of interactions between living and nonliving things in a particular environment.

2. Some examples of nonliving things in an ecosystem include sunlight, soil, rocks, air, water, and temperature.

3. Factors that could affect the number of organisms in an ecosystem include availability of resources, predation, competition, and environmental changes.

4. Organisms interact in an ecosystem in order to find food, to find mates, to escape predators, and to compete for resources.

5. No, you would not expect to find the same kinds of interactions between organisms in very different ecosystems due to differences in biotic and abiotic factors.

6. It is important to understand feeding relationships in an ecosystem because understanding these relationships gives us insight into the stability, dynamics, and functioning of the overall ecosystem. It can also provide an understanding of how the ecosystem may respond to environmental changes.

Due before 3:05 pm central time today.

Having two identical alleles of a particular gene. 1. ____________ & ____________

Segment of DNA 2. ____________

An allele that will be masked or hidden in presence of dominant allele 3. __________

Variation of a gene that will produce a certain phenotype even in the presence of other alleles 4. ____________

Different forms of a gene 5. _____________

The genetic makeup of an organism 6. ____________

Having two different alleles of a particular gene 7. ____________ & ____________

The physical characteristics of an organism 8. ___________

Due before 3:05 pm central time today.Having two identical alleles of a particular gene. 1. ____________

Answers

Answer:

Due before 3:05 pm central time today.

Having two identical alleles of a particular gene. 1. _______gene_____ & ____dominant________

Segment of DNA 2_________

An allele that will be masked or hidden in presence of dominant allele 3. __________

Variation of a gene that will produce a certain phenotype even in the presence of other alleles 4. ____________

Different forms of a gene 5. _____________

The genetic makeup of an organism 6. ____________

Having two different alleles of a particular gene 7. ____________ & ____________

The physical characteristics of an organism 8. ___________

Plant and animal cells are surrounded by a cell membrane, but only plant cells have a rigid ______.

Answers

Cell wall (made of cellulose)

Answer:

have a rigid Cell wall

pleeeeeeeeeeeeeeease help!!!!!!!!!!!1

pleeeeeeeeeeeeeeease help!!!!!!!!!!!1

Answers

Answer:

Answer : D

Absolute Dating methods are utilized in determining how much time has passed since the formation of a Rock by measuring the reactive Decay of the substance's Isotopes.

OPTION D IS ACCURATE.

The answer is A, relative dating.

Look at the diagram of the rock cycle below.

Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration

Look at the diagram of the rock cycle below.Which part of the cycle is missing?A.sedimentationB.meltingC.crystallizationD.mineral

Answers

answer B.

it’s melting

From the diagram of the rock cycle the missing part is ( B ) ; Melting

Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.

Magma is released to the earth surfaces during volcanoes therefore the missing term  in the rock cycle is melting

Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.

Learn more : https://brainly.com/question/23661578

Look at the diagram of the rock cycle below.Which part of the cycle is missing?A.sedimentationB.meltingC.crystallizationD.mineral

When you combine two or more atoms of different elements, you make a(n) ______.
A. electron cloud
B. molecular formula
C. valence electron
D. compound

Answers

Answer:

D [Compound]

Explanation:

D is the correct answer for this question

Answer:

When you combine two or more atoms of different elements, you make a(n) D. compound.

----------------------------

Hope this helps!

Have a great day and God bless! :)

Which adaptation favors the survival of an organism?



a ground squirrel population in the forest develops webbed feet for swimming



lengths of beaks in a bird population increase to the point birds can no longer groom themselves



a desert coyote population loses the ability to cope with low water conditions



proteins expressing color in butterfly wings mutate to improve camouflaging abilities of butterflies

I'm pretty sure it's "proteins expressing color in butterfly wings mutate to improve camouflaging abilities of butterflies" but I'm not sure

Answers

Answer:

proteins expressing color in butterfly wings mutate to improve camouflaging abilities of butterflies

Explanation:

Adaptations occur when the genes of an organism change over time, usually due to external factors.

Beneficial Adaptation

Not all adaptation helps; as stated above adaptations can occur with any genetic mutation, even if it is not beneficial. That being said, beneficial adaptation helps an organism survive and reproduce, so helpful adaptations are the most likely to be passed on. Organisms that have harmful adaptations tend to have fewer offspring, meaning the adaptation does not pass on to the rest of the population.

If an adaptation decreases an organism's ability to survive or reproduce, then it is considered harmful. A beneficial adaptation must improve the life of an organism.

Camoflague

Camoflague allows an organism to hide from other living things, either to hunt or hide from predators. For these reasons, camouflage is considered beneficial. Specifically, butterflies use camouflage to hide and escape from predators that would eat them. This means that camouflage increases the life span of a butterfly. Thus, it must be a beneficial adaptation.

A desert coyote because it’s losing the ability to cope with something

Natural monopolies are
O food products with a monopoly market
O products that one supplier can produce most efficiently
O products where the government chooses a company to produce it
O markets for items where consumers have considerable price control

Answers

to me it’s none of them lol. natural monopolies are companies which dominate a industry which has little substitutes

anyways, i think the answer would be B

What happened to North American coastal waters when the great white shark population decreased?
The ray population increased.

The oyster population increased

The clam population increased.

The scallop population increased.

Answers

The population of Ray increased.

Now I don’t know much about marine life. But I do know that a large shark that must consume great amounts of meat per day in order to survive, would eat something bigger then an oyster, clam or scallop. If a large predator is taken out of its home it’s prey, in this case sharks and ray’s, they prey’s numbers would soon go up.

Answer:

Sorry I am late to answer your question :)

Here's the answer:

The ray population increased.

Explanation:

Tell me if you need an explanation along with the answer.

Have a great day :)

What does it mean to say that photosynthesis and respiration are gas exchange processes?

Answers

Gas exchange the diffusion of gases from an area of higher concentration to an area of lower concentration, especially the exchange of oxygen and carbon dioxide between an organism and its environment. In plants, gas exchange takes place during photosynthesis. In animals, gases are exchanged during respiration.

. . . . 20ptsandbrainly . . . .
During training for a marathon, your body is experiencing strenuous exercise. You are sweating. Which receptors send information to the brain to stabilize body temperature?

Answers

Answer:

Thermoreceptors.
Explanation:

Thermoreceptors are specialized cells that detect changes in temperature. When the body temperature rises, thermoreceptors send signals to the brain to initiate sweating, which cools the body down.

Answer:

Thermoreceptors are specialized nerve cells that are able to detect differences in temperature. Temperature is a relative measure of heat present in the environment. Thermoreceptors are able to detect heat and cold and are found throughout the skin in order to allow sensory reception throughout the body.

Explanation:

Can you help me plzzzz

Can you help me plzzzz

Answers

Answer:

im not sure but i think its A

Explanation:

I believe the third option is correct. Our eyes are sensitive to a narrow band of waves within the electromagnetic spectrum. The human eye can only see the visible light section of the electromagnetic spectrum.

PLEASE HELP ASAPP WILL MARK BRAINLIEST
science
The pod color in pea plant can be yellow or green. A pea plant with yellow pods (YY) is crossbred with another pea plant with yellow pods (Yy). What is the probability of offspring with green pods?

Answers

Answer:

there is a 50% chance of an offspring with green pods

Explanation:

Answer:the pod colour of pea will be yellow because the gene of yellow colour is dominant.YY × Yy= YY .Yy

Explanation:

We know our sun is/has

Answers

Sun is a 4.5 billion-year-old star – a hot glowing ball of hydrogen and helium at the center of our solar system

Match the terms to the definition.

Question 1 options:

The idea of that the Earth and planets orbit the sun. A sun-centered view.


Huge clusters of stars, gas, and dust bound by the force of gravity.


A group of objects that orbit a star.


Jupiter, Saturn, Uranus, Neptune. Gas giants.


The spinning of a planet on its axis, causing day and night.


The orbit of a planet around the sun. On Earth, one year.


Mercury, Venus, Earth, Mars. Terrestrial, rocky.


A force of attraction that keeps planets orbiting the sun.


A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.


The theory the universe came forth from a single spot in an enormous explosion.

1.
Big Bang

2.
Doppler Effect

3.
Nebula

4.
Solar System

5.
Geocentric theory

6.
Heliocentric theory

7.
Gravity

8.
Galaxy

9.
Rotation

10.
Revolution

11.
Inner planets

12.
Outer planets

13.
Meteor

14.
Meteorite

15.
Meteoroid

Answers

1. Big Bang:- The theory the universe came forth from a single spot in an enormous explosion.

3. Nebula:- Huge clusters of stars, gas, and dust bound by the force of gravity.

4. Solar System:- A group of objects that orbit a star (Sun)

6. Heliocentric theory:- The idea that the Earth and planets orbit the sun. A sun-centered view.

7. Gravity:- A force of attraction that keeps planets orbiting the sun.

8. Galaxy:- Huge clusters of stars, gas, and dust bound by the force of gravity.

9. Rotation:- The spinning of a planet on its axis, causing day and night.

10. Revolution:- The orbit of a planet around the sun. On Earth, one year.

11. Inner planets:- Mercury, Venus, Earth, Mars. Terrestrial, rocky.

12. Outer planets:- Jupiter, Saturn, Uranus, Neptune. Gas giants.

13. Meteor:- A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.

For further information on such terms nad definitions,

https://brainly.in/question/1185001

The solar system consists of many planets, moons, stars, asteroids, comets, and meteoroids, which itself is a part of the milky way galaxy. Beyond this are millions of galaxies that constitute the universe.

Big Bang is the theory the universe came forth from a single spot in an enormous explosion. Solar System is a group of objects that orbit a star. The heliocentric theory is the idea that the Earth and planets orbit the sun, a sun-centered view. Gravity is a force of attraction that keeps planets orbiting the sun.
Galaxy is a huge cluster of stars, gas, and dust bound by the force of gravity. Rotation is the spinning of a planet on its axis, causing day and night. Revolution is the orbit of a planet around the sun. On Earth, one year. The inner planets are Mercury, Venus, Earth, and Mars. Terrestrial and rocky. Outer planets are Jupiter, Saturn, Uranus, Neptune, and Gas giants.
Meteor is a rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.

Learn more about the Universe:
https://brainly.com/question/805395

Which example is a biotic factor of an ecosystem?

Which example is a biotic factor of an ecosystem?

Answers

Answer:

A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae.

A. Fungus is a living organism

Select your answer from the choices below, then write them on its appropriate column. ​

Select your answer from the choices below, then write them on its appropriate column.

Answers

Answer: The duties that the students and community members have to be done to save our environment and resources

Explanation: My part as a students

1. Switch off classroom lights and fans when not in use.

2. Plant a tree (in vacant lot / backyard).

3. Join environment friendly groups.

4. Switch to non- plastic water bottles.

5. Switch off faucets in the school or park when not in use.

My initiative as a Community Member

1. Conserve water.

2. Throw garbages in the trash can.

3. Decrease the amount of paper you print.

4. Minimize the use of plastic when buying good

5. Volunteer for clean-up drives.

The correct options that have to be filled in its appropriate column are:

The part as a Student in conserving the environment.

Decrease the amount of paper you print.Switch off classroom lights and fans when not in use.Conserve water.Switch to non-plastic water bottles.Minimize the use of plastic when buying goods.My Initiative as a Community Member

Volunteer for clean-up drives.

Join environment-friendly groups.Plant a tree (in a vacant lot/backyard).Throw garbage in the trash can.Switch off faucets in the school or park when not in use.

Thus, these are the correct options for the given columns.

Learn more about conserving the environment, here:

https://brainly.com/question/29788557

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What is Lewis Carroll’s attitude toward Humpty Dumpty? How can you tell?

A.Humpty Dumpty is very smart. He knows a lot about words.
B.Humpty Dumpty is a bit of a know-it-all. He thinks words mean whatever he wants them to mean.
C.Humpty Dumpty is friendly. He smiles at Alice.
D.Humpty Dumpty is helpful. He teaches Alice the meaning of words.

Answers

Answer:

The answer is D

Explanation:

There is no extra info so im going off of how the rest of them say he smart

Uranus is which planet from the sun?

Sorry about the subject, there is no science subject so I chose randomly

Answers

Uranus is the 7th planet from the sun :))

☀️sun☀️
1. Mercury
2.Venus
3.Earth
4.Mars
5.Jupiter
6.Saturn
7.Uranus
8.Neptune
Hope it helps!!
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The cylindrical storage shed shown below is completely filled with road salt to make a town's roads safer during snow storms. About 21,000 cubic feet of road salt is used during a typical snow storm.a. What is the total volume of the storage shed?b. How many snow storms can the town expect to handle before the storage shed needs to be refilled with additional road salt? Which is an example of fanfiction?converting a non-fiction work into fictionwriting a story using characters from a popular novelrequiring students to study the fiction of an earlier authorwriting to an author to let them know their work is appreciated which one of the following musical instruments is not included in the arab classical firqa ensemble? does anyone have the answers to this?. Until WWII, most people referred to WWI as the Big War. True or False? Which graph represents a function? The people of Georgia, Armenia, and Azerbaijan are considered to be culturally and ethnically homogenous (of one ethnic group and cultural background). a) trueb) false? M2Q10Net Realizable Value Method, Decision to Sell at Split-off or Process Further Arvin, Inc., produces two products, ins and outs, in a single process. The joint costs of this process were \( \$ 50,000 \ A defective O2 sensor heater may cause reduced open loop time.TrueFalse this agreement between england and the united states called for open access to markets, the right of all peoples to choose their form of government, and a global extension of the new deal. Which of the following is NOT an example of a chemical reaction?A loaf of bread is sliced with a knifeA loaf of bread is baked in an ovenA loaf of bread is digested in the stomachA loaf of bread molds in a pantry Which of these sentences is an example of persuasive rhetoric?A:Violence is a factor in the development of chronic diseases, which account for a majority of premature U.S. deaths.B:More than 692,000 young people ages 10 to 24 are treated in emergency departments each year for injuries sustained due to violence.C:Violence disproportionately affects young people and people of color.D:No community--affluent, poor, urban, suburban, or rural--is immune from the devastating effects of youth violence. Recency can only apply to a campaign that targets a retargeting pixel. a. true b. false Jackson Company produces plastic that is used for injection-molding applications such as gears for small motors. In 2016, the first year of operations, Jackson produced 4,000 tons of plastic and sold 3,500 tons. In 2017, the production and sales results were exactly reversed. In each year, the selling price per ton was $2,000, variable manufacturing costs were 15% of the sales price of units produced, variable selling expenses were 10% of the selling price of units sold, fixed manufacturing costs were $2,800,000, and fixed administrative expenses were $500,000. Prepare income statements for each year using absorption costing. If police search a home without a warrant and arrest the occupant when they find an unregistered gun, the occupant is protected at trial by what judicial policy? Darker skin color:Group of answer choicesIs primarily found in people from areas that get little sunlight much of the yearIs an adaptation to prevent loss of folate from large amounts of sunshineIs always associated with the ability to digest milkTells us exactly what part of the world someone comes from ACC 309 Milestone One Guidelines and Rubric Overview: For Milestone One, which is due in Module Three, you will develop a portion of the workbook, notes to the financial statements, and a brief memo to management explaining the impacts to stockholder equity and the impact of tax structures. You will build on this milestone in subsequent modules to create the balance sheet and executive summary portions of your final project. Prompt: First, review the Final Project Scenario document. Using your review of the scenario, begin your workbook and discuss the impacts in your management brief, including impacts on stockholder equity and impacts based on changes to tax structure Note: Milestone One is a draft of some of the critical elements of the final project. Specifically, the following critical elements must be addressed . Workbook A. Prepare adjusting entries for unrealized loss and tax issues II. Management Brief A. Identify sources of other comprehensive income not included in net income. B. Explain rationale for the inclusion as comprehensive income (as opposed to net income) of nondisclosure within notes. C. Evaluate impacts of company goals and finances for their implications on stockholder equity, using financial information to support claims. D. Evaluate impacts of company goals and finances for their implications on retained earnings per share, using financial information to support claims. E. Explain the impact of issuing preferred stock or debt for determining changes to equity structures. F. Assess the impact of changes to current tax structure for articulating changes relevant to the company Rubric Guidelines for Submission: Your workbook must be submitted as a Microsoft Excel document, your notes to the financial statements should be a Microsoft Word document, and your management brief should be a 1-3 page Microsoft Word document with double spacing, 12-pt. Times New Roman font, and one-inch margins Critical ElementsProficient (1 100%) Needs Improvement (75%) Not Evident (0%) Value Introduction: Match each term with its definition. Change the verb into an informal t command in order to tell this person what to do.1. Poner las decoraciones en la pared.2. "Clean the bathroom."3. "Go to your room."4. "Be a good student."5. "Search for them (los regalos) en el centro comercial." A $30 birthday cake is discounted 25%. After the discount, what is the price ofthe birthday cake?