The decayed organic matter in in soil is called __________.
A)
humus
B)
soil tilth
C)
silt
D)
lahar
E)
DDT

Answers

Answer 1

Answer:

Hi !

Here is your answer !

B) humus

Thank You !


Related Questions

What is the probability that unicorn offspring will have a white horn? Brown horn?

Answers

The probability that the offspring will have a white horn is 3 out of 4, or 75%.

In unicorns, the trait of having a white horn (W) is considered dominant over having a brown horn (w). When two heterozygous unicorns, each carrying one dominant white horn allele (W) and one recessive brown horn allele (w), are crossed, the probability of their offspring having a white horn can be determined using Punnett squares.The possible genotypes of the parent unicorns are Ww and Ww. When these genotypes are crossed, the potential offspring can inherit one of the following genotypes: WW, Ww, Ww, or ww. Out of these options, three of them (WW, Ww, Ww) contain at least one dominant white horn allele, resulting in a unicorn with a white horn. Therefore, the probability that the offspring will have a white horn is 3 out of 4, or 75%. This calculation is based on the assumption that the genetic traits are inherited independently and follow Mendelian inheritance patterns.

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Note: The question would be as

In unicorns, having a white horn (W) is dominant to having a brown horn (w). Two heterozygous unicorns are crossed. What is the probability that the offspring will have a white horn?

Which cranial nerve is the only cranial nerve to extend beyond the head and neck to the thorax and abdomen?

Answers

vagus nerve
Cranial nerves supply sensory and motor information to structures of the head and neck, controlling the activity of this region. Only the vagus nerve extends beyond the neck, to innervate thoracic and abdominal viscera.

Examine the diagram of the nitrogen cycle.
Which option best describes what's happening in the part
labeled 3?
Ammonia, nitrates, and other compounds dissolve in
water and are carried to the oceans.
Human activities add nitrates and other compounds
to Earth's systems.
O Nitrogen is stored in the largest reservoir on Earth.
Nitrogen-fixing bacteria convert nitrogen gas into
compounds usable by plants and animals.

Answers

The part labelled 3 shows nitrogen is stored in the largest reservoir on Earth.

What is the nitrogen cycle?

The transformation and cycling of nitrogen in various forms throughout ecosystems is referred to as the nitrogen cycle, a biogeochemical process. The nitrogen cycle involves the transformation of nitrogen between various chemical forms so that it is available for use by plants and other creatures.

Nitrogen is a crucial element for the growth and development of living beings.

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Examine the diagram of the nitrogen cycle.Which option best describes what's happening in the partlabeled

Scientists who study ocean life use an unmanned robot to collect deep sea data. The robots is known as a(n) __________.
A)
nereus
B)
aquarius
C)
deep sea robot
D)
underwater robot
E)
aquatic robot

Answers

The answer is will be B

Answer: A.) neurus

Explanation:

i looked it up

Part A
Which Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.

Part AWhich Of The Following Student-Drawn Cell Models Contain Two Chromosomes? Select All That Apply.

Answers

Answer:

the last one , the second to last one and the first one I am pretty sure

A, C and D are the student-Drawn Cell Models  that Contain Two Chromosomes.

Every cell in your body has DNA, which is the form in which your genetic code is stored. It creates your body's manual of operations. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.

A chromosome is referred to be a "homologous chromosome" if it has a similar genetic makeup but also includes replication-induced variations. Sister chromatids are the two halves of a certain chromosome that are joined at the centromere. Chromosomes known as "replication chromosomes" arise after the cell has undergone the process of DNA replication to prepare for cell division.

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A crane has a sharp and pointed beak while the duck has a flat beak.Explain why

Answers

Answer:

The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.

On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.

The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.

he animal releases the carbon dioxide back into the atmosphere during respiration.

Answers

Answer:

All plants and animals return both carbon dioxide and water vapor to the atmosphere.

please help ! What is the main idea, supporting evidence and bold key words help?

please help ! What is the main idea, supporting evidence and bold key words help?

Answers

Answer:

carbohydrate, fat and protein.

Explanation: these are main building blocks that make up our body.they help in making muscles, provide energy as well as support the body functions.

Which statement best identifies a central idea of this text?Issues with the Articles of Confederation"

Answers

The government's use of the PATRIOT Act was created to protect citizens from dangerous acts of terrorism.


Which of these are the
REACTANTS involved in the
photosynthesis equation?
A: glucose and oxygen
B: carbon dioxide and water

Answers

Answer:

B

Explanation:

carbon dioxide + water ---> glucose + oxygen

which of the following plant structures transports water and carbohydrates from the leaves to the rest of the plants?

A. xylem
B. phloem
C. chloroplast
D. stomata

Answers

B- phloem is the answer

Create an argument using empirical evidence and scientific reasoning to defend one of the following sexual reproduction methods as the most effective: animals’ internal fertilization, animals’ external fertilization, flowering plants’ wind pollination, or flowering plants’ animal pollination.

Give at least two scientific reasons for why the method that you chose is most effective at creating genetic diversity. Part of your argument should refer to the structures involved. Your argument should also include examples of why at least two of the other methods are not as effective.

Answers

Answer:

I would argue that animal pollination of blooming plants is the most successful form of sexual reproduction for generating genetic variation.

According to science, animal pollination enables the transport of pollen from one flower to another, increasing the genetic variety of the population. This is so that there is a greater potential of genetic mixing because different animals may visit various blooms, dispersing pollen from various plants.

Another justification is that, in contrast to wind pollination, animal pollination frequently entails actively moving pollen from one flower to another, which may result in higher genetic variety. While wind-borne pollen frequently travels enormous distances, it also tends to be dispersed by plants that are close relatives. Animals who visit flowers and spread pollen, on the other hand, are more likely to visit a variety of plants, encouraging greater genetic mixing.

Animal pollination also transfers genetic material from one plant to another, rather than only within a single plant or a group of closely related plants, making it more effective in promoting genetic variety than both animal internal fertilisation and external fertilisation.  

Due to its capacity to encourage the transfer of pollen from various plants and physically transport the pollen, which results in greater mixing of genetic material, animal pollination of flowering plants is, therefore, the most effective method of sexual reproduction in terms of generating genetic diversity.

Hope it helps! : )

uses of biotechnology in washing powder making

Answers

Answer:

Here are some uses of biotechnology in the production of washing powders:

Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains.  Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.

Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.

Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.

Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.

Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.

Explanation:

Place the following items in order from smallest to largest (1 being smallest and 5 being largest).

a polysaccharide
nucleus of an atom
a carbon atom
proton
a molecule of glucose

Answers

Answer: proton<nucleus of an atom<a carbon atom< a glucose molecule< a polysaccharide

Explanation:

How come the human body does not absorb water completely? In other words; why is it that even though the water could be the best possible in terms of purity, the kidneys still need to filter it? What is there to filter if the water is completely clean and pure? Shouldn't all that water simply be absorbed by all the cells in our organism?​

Answers

Answer: this is a great question

Explanation:

How do ATP and NAPDH connect light-dependent and light-independent reactions in photosynthesis

Answers

ATP and NADPH serve as key molecules that connect the light-dependent and light-independent reactions in photosynthesis. They play crucial roles in transferring energy and reducing power between the two processes, ensuring the overall efficiency of photosynthesis.

1. Light-Dependent Reactions: These reactions occur in the thylakoid membranes of the chloroplasts and convert light energy into chemical energy. During this process, light energy is absorbed by chlorophyll and other pigments, leading to the generation of ATP and NADPH.

2. ATP Generation: The absorbed light energy is used to power the electron transport chain, which pumps protons across the thylakoid membrane, creating a proton gradient. The flow of protons back across the membrane through ATP synthase generates ATP from ADP and inorganic phosphate.

3. NADPH Generation: Simultaneously, the energized electrons from the electron transport chain are transferred to NADP+, reducing it to NADPH. This process requires the input of high-energy electrons and protons.

4. Light-Independent Reactions (Calvin Cycle): ATP and NADPH generated during the light-dependent reactions are utilized in the stroma of the chloroplasts to fuel the Calvin cycle. Here, carbon dioxide is fixed and converted into glucose through a series of enzymatic reactions.

5. ATP Utilization: ATP provides the necessary energy to power the various enzyme-catalyzed reactions in the Calvin cycle. It is used to drive the carboxylation of ribulose bisphosphate (RuBP), the regeneration of RuBP, and other key steps in the cycle.

6. NADPH Utilization: NADPH functions as a reducing agent in the Calvin cycle, providing the necessary high-energy electrons to convert carbon dioxide into glucose. It acts as a source of electrons in the reduction of 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P).

7. Recycling of ADP, NADP+, and Pi: As ATP is hydrolyzed to ADP and inorganic phosphate (Pi) during the Calvin cycle, ADP and Pi are regenerated in the light-dependent reactions. Similarly, NADP+ is regenerated from NADPH.

8. Continuous Cycle: The production of ATP and NADPH in the light-dependent reactions and their utilization in the light-independent reactions create a continuous cycle, ensuring the flow of energy and reducing power required for photosynthesis.

In summary, ATP and NADPH act as energy and reducing power carriers, respectively, connecting the light-dependent reactions that capture light energy with the light-independent reactions that utilize this energy to produce glucose. Their continuous generation and utilization ensure the efficiency and functionality of photosynthesis.

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Problem 7: In a translational reporter system, the gene of interest is left intact, and the reporter is fused to the end of the sequence. Which of the following is necessary to ensure the reporter expresses properly? O Removal of the stop codon in the gene of interest before the reporter sequence and the reporter gene must be in the same reading frame as the gene of interest. O A separate promoter for the reporter is required. O The reporter gene must be in the same reading frame as the gene of interest. O Removal of the stop codon in the gene of interest before the reporter sequence. None of these

Answers

The use of a translational reporter system is a powerful tool for studying gene expression, as it allows researchers to track the expression of a gene of interest without altering the gene itself. However, in order for the reporter to express properly, certain measures must be taken.

The most important requirement for successful expression of a reporter in a translational reporter system is that the gene of interest must have its stop codon removed before the reporter sequence is added. This ensures that the gene of interest and the reporter gene are both in the same reading frame, allowing the reporter to be expressed properly. Additionally, it is important that the reporter is not placed in a separate promoter, as this could lead to incorrect expression levels of the gene of interest.

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Muscles which are made of numerous fibers are called
A. smooth
B. striated
C. cardiac

Answers

Answer:

Your answer would be striated

Explanation:

Muscles that are made of numerous "stringy" fibers are often called striated

Pyruvate
19. Select All Compounds Generated By-Both Phosphoglycerate Kinase and Pyruvate Kinase in Glycolysis.
ADP
ATP
Glucose
NAD
NADH
Pyruvate
LLLLL

Answers

In glycolysis, pyruvate kinase, an enzyme that controls cell metabolism, catalyzes the transformation of phosphoenolpyruvate and ADP into pyruvate and ATP.

What Generated By-Both Phosphoglycerate Kinase?

Pyruvate kinase (PK) and phosphoglycerate kinase 1 (PGK1) are the only two ATP-producing enzymes in the glycolysis system.

Phosphoenolpyruvate (PEP) and ADP are transformed into pyruvate and ATP by the rate-limiting glycolytic enzyme PK.

Therefore, chemical process that changes 1,3-diphosphoglycerate, a molecule generated when glucose is broken down, into a different molecule, 3-phosphoglycerate.

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A speaker should use this tactic to reinforce key messages or add drama and anticipation to a presentation.
A.
B.
C.
D.
surveys
polling
distracting animations
purposeful pauses

Answers

A speaker should use this tactic to reinforce key messages or add drama and anticipation to a presentation is called as purposeful pauses. So, the correct option is D.

What is Presentation?

A presentation is defined as a way of conveying information from a speaker to an audience usually a demonstration, introduction, lecture or speech designed to inform, persuade, inspire, motivate, create goodwill or create a new Idea/product is meant to be presented.

When someone present his/ her presentation, a speaker should use this tactic to reinforce key messages or add drama and anticipation, this type of method is called purposeful pauses.

Therefore, the correct option is D.

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2. A barrel floats down a river past two flags that are 100 meters apart. The time it took for the barrel to pass each flag is shown. What is the speed of the stream's
current?
2:15
2:43
O A 0.28 m/s
OB.2.2 m/s
OC.2.4 m/s
OD.3.6 m/s

Answers

The speed of the stream's current is 3.6 m/s.

The given parameters:

distance between the two flags, d = 100 mtime when it passed the first flag, t₁ = 2:15 time when it passed the second flag, t₂ = 2:43

What is speed?The speed of an object describes the rate of change of an object's distance.

The change in the time of motion of the barrel is calculated as follows;

Δt = t₂ - t₁

Δt = 2:43 - 2:15

Δt = 2 min 43 s - 2 min 15 s

Δt = 43 s - 15 s

Δt = 28 s

The speed of the stream's current is calculated as follows;

\(v = \frac{d}{t} \\\\v = \frac{100 \ m}{28 \ s}\\\\v = 3.57 \ m/s\\\\v \approx 3.6 \ m/s\)

Thus, the speed of the stream's current is 3.6 m/s.

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What is the role of RNA in the
production of proteins?

Answers

RNA stands for Ribo Neuclic Acid

RNA assembles amino acids into proteins.

I need help! Pls help!!!

I need help! Pls help!!!

Answers

(iii) Enzymes P, Q and R (choose any one)

P - pepsin / protease

Q - amylase / carbohydrase

R - lipase / trypsin / protease / amylase

(c) There are many ways in which different types of enzymes are using in preparing baby foods such as the amylase breaks down the starch and the starch breaks down to maltose or glucose. The protease breaks down protein and the protein breaks down into amino acids. The lipase breaks down fats and then the fats break down to gylcerol.

Hope it's help you.If it is right

I need help! Pls help!!!

Watermelons may be either plain green or striped in color, the fruit may be either long
or round in shape. A watermelon plant of a homozygous long, green variety was
crossed with one of a homozygous round striped variety. The F1 plants all bore round,
green melons. Answer the following questions by filling in the blanks with the correct
number. (Use only numeric digits such as 1,2,3, etc. Fractions should be written like
3/5. Ratios should be written as 7:7 or 7:7:7:7. Answers not in these formats will be
marked wrong.)
(a) How many genotypes are possible in the F2 generation?
(b) What fraction of the F2 generation would be long and green?
(c) In the F2 generation what is the ratio of green to striped melons?

(d) In the F2 generation what is the ratio of round to long melons?
(e) What is the probability of an F2 individual being round?.
(fraction)

Answers

a.  There are 9 genotypes possible in the F2 generation.

b. The fraction of the F2 generation that would be long and green is 1/4.

(c) The ratio of green to striped melons in the F2 generation is 3:1.

d. The ratio of round to long melons in the F2 generation is also 3:1

e. The probability of an F2 individual being round is the same as the proportion of round melons, so 3 out of 4, or 3/4 as a fraction.

How do we identify the genotypes for F2 generation?

The F1 plants are all heterozygous for both traits (long/round and green/striped). This means that they can produce gametes with either the dominant or recessive allele for each trait. When two heterozygous F1 plants are crossed, the resulting F2 generation will have a variety of genotypes.

a) For each trait, we have:

Homozygous dominant

Heterozygous

Homozygous recessive

So for two traits, it would be 3×3 = 9 possible combinations.

⇒ RRGG, RRGg, RrGG, RrGg, RRgg, Rrgg, rrGG, rrGg and rrgg

b. The genotype for long, green melons is rrGg. This phenotype occurs in 1 out of 9 cases. So the fraction is 1/9. or 1/4 unique

c. The ratio of green to striped melons in the F2 generation is 3:1. We determine this by considering that green is either GG or Gg, and striped is gg.

(d) The ratio of round to long melons in the F2 generation is also 3:1. We determine this by considering that round is either RR or Rr, and long is rr.

e. The probability of an F2 individual being round is the same as the proportion of round melons, so 3 out of 4, or 3/4 as a fraction. This is because three of the four possible combinations for the shape trait (RR, Rr, and rR) will result in a round melon.

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how are babies produced specifically?​

Answers

Answer:

Babies are made when special cells called sperm (produced by men) combine with cells called eggs (produced by women) in a process called conception. Each of these cells is produced by a process called meiosis which makes cells containing half the information of the parent.

plz mark brainliest

Answer:

when a dude's swimmers hit up a lady's egg a baby forms inside of the girl and 9 months later it comes out the same way it came in

Explanation:

Imao

Hi there !
Why is biodiversity important ?
Thank you

Answers

Answer:

Biodiversity is necessary for all species on Earth, including humans, to function properly. We cannot have healthy ecosystems that give us with the air we breathe and the food we consume without a vast range of animals, plants, and microorganisms.

Explanation:

Answer:

Biodiversity is essential for the processes that support all life on Earth, including humans.

Explanation:

What are the names of the Sun’s layers described in columns A, B, and C?

Answers

Answer:

A Photosphere,

B Chromosphere,

C Corona

Explanation:

i hope this is related or helpful to your answer^^(ノ◕ヮ◕)ノ*:・゚✧   o(*°▽°*)o

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when liquid water freezes into ice it becomes solid, which phrase correctly describes ice? a. crystalline and having high surface tension b. amorphous and having low viscosity c. rigid and having low viscosity. d. crystalline and rigid

Answers

Answer: Option D.

Crystalline and rigid.

Explanation:

When liquid freezes to ice, it becomes solid and this is crystalline and rigid because a solids for crystals which means solid atoms, molecules or ions are orderly arranged in structures which form of crystal lattice in all sides. The structure of solid becomes rigid , it does not take the container shape like liquid and it does not expand also like liquid. it volumes reduces.

Answer:

crystalline and rigid

Explanation:

a. crystalline and having high surface tension b. amorphous and having low viscosity c. rigid and having low viscosity. d. crystalline and rigid

when liquid water freezes into ice it becomes solid, which phrase correctly describes ice? a. crystalline

How does drip irrigation affect the environment?


A. It cleans soils of salts.

B. It increases loss of water.

C. It minimizes evaporation.

D. It recharges groundwater supply.

Answers

Answer:

B

Explanation:

because when you put a pencil in a water it being broke but it looks like it's broken first came out it's not working.

A submersible temperature sensor takes temperature
readings at three different depths in a lake.
Which data set is the most precise?

A. 5 m depth: 24.5°C, 20°C, 21°C
B. 15 m depth: 18°C, 16°C, 20.0°C
C. 25 m depth: 15.6°C, 15.6°C, 15.9°C
D. 35 m depth: 12.0°C, 18.1°C, 14.2°C

Answers

The submersible temperature sensor takes the temperature of different layers of a lake. The most precise data set is at 25 m depth: 15.6 °C, 15.6 °C, and 15.9 °C. So option c is the correct answer as it depicts the precise data.

What are the different zones of a lake?

The lake is considered a freshwater body. The uppermost layer is in contact with sunlight, hence the temperature is higher than the lower water level. It is a habitat for phytoplankton as well as other small fish.

The middle layer is relatively cooler than the upper as it gets less light, and the bottom portion of the lake is the coolest as almost no sunlight reaches here. The temperature of a specific layer does not vary by 2° or 3° but slightly changes.

Hence, the most precise data set is at 25 m depth: 15.6 °C, 15.6 °C, and 15.9 °C. So option c is the correct answer as it depicts the precise data.

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Other Questions
To rewrite y (t) = 2 sin 4pi(t) + 5 cos 4pi(t) in the form y(t) = A sin(wt + phase), you must first find the amplitude, A. Use the givenvalues c= A sin(phase) and c= A cos(phase), along with the Pythagorean Identity, to solve for A. Solve the system using elimination 4x+5y =2 -2x+2y=8PLEASE HURRY I NEED THIS DONE IN 20 MINUTES what is kwaishokor and its causes? a wheat farmer has an APH of 90 bu/acre. Projected price is $7.08/lb. She chose a coverage level of 80%. Actual yield is 70 bu/acre and the harvest price is $7.45. The indemnity payment received under revenue protection-harvest price exclusion isIndemnity payment received= If a sociologist argued that people choose careers because those in power manipulate those beneath them in order to protect their privileged positions, he would be using which approach to understanding the social structure of society? a. Functionalism b. Social Conflict c. Symbolic interactionism d. None of the above 13. Unrecognized and unintended consequences of a social system that improve the system are called a. manifest functions. b. latent functions. c. "blind alleys" I d. dysfunctions Someone please grammatically fix this paragraph ! Tysm :3" Celebrating holidays in my family can be a classical yet plain at the same time. Depending whether a holiday is popular or not amongst my other relatives - my parents decide to celebrate it or not. A reason behind this is because my family isn't religious. So we aren't really needed to celebrate anything in particular. But we still celebrate for fun ! "Happy holidays ! Tytysm again guys What is a first draft essay or final draft essay? The price of an item has been reduced by 55%. The original price was $20. What is the price of the item now? A dog walker earns $10 plus $3 per dog. What equation represents this model? find the derivatives of the following functions (2x-5x+6x-3)/x y=sin^-1(x)+cos^-1(x)-Inx y=5^x-6cosec1/2(x)+3/7(cos5x)-2 Your classmate describes a growing baby as a ball of multiplying cells that eventually grows large enough to form a baby HURRRY PLEASSSSEEEEnergy required for cellular respiration can be processed from ____.A) Carbohydrates B) Fats/ Lipids C) Proteins D) All of the above Write down any four points that should be considered during household wiring Which nutritional classabsorbs vitamins and sustains the immunesystem?fats water proteins carbohydrates one of the movement concepts, space awareness, is defined as _____________ the body moves. question 1 options: how when with whom or what where When dolphin swims close to its prey, it transmits sound waves to figure out details (like direction where the fish is moving) of its prey. Now, if the frequency of the reflected waves has increased, would the dolphin catch up its prey or fall behind? Explain your answer. When the number of turns in a solenoid and its length are both doubled, the ratio of the magnitude of the new magnetic field inside to the magnitude of the original magnetic field inside is: A square has a side length of 2x 4. Which expression represents the area of the square? ratio in simplest form. 300, 30,3, How did Hutton's and Lyell's ideas influence Darwin's thinking about evolution?