A material or product intended to decrease or remove harmful agents on surfaces (such as germs). When compared to the same period last year, sales of alcohol-based hand sanitizers were up approximately 17% in the first week of September...
Sanitizer is a chemical or fluid that kills germs on the skin and on objects. Sanitizing something is cleaning it by eliminating dirt or eradicating germs on it.
Hand sanitizer, also known as hand antiseptic, handrub, or hand rub, is an agent that is applied to the hands in order to remove common germs (disease-causing organisms).
IPA, propanol, and ethanol are the alcohols utilized. Chlorohexidine gluconate, for example, is found in alcohol-free hand sanitizers.
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Name 3 things that come from decayed plants, are fossil fuels, and release carbon dioxide when they are burned.
Answer:
Carbon cycle, neutral and decomposition
Plz answer correct, it for test
A seismogram shows that P waves travel _____.
at the same speed as surface waves
more slowly than S waves
at the same speed as S waves
faster than S waves
Answer: P waves are faster then s waves
Which statement best compares pioneer species with climax communities?
A.Both are involved with stages of succession, but climax communities are the beginning and pioneer species are the end result.
B.Both are involved with stages of succession, but pioneer species are the beginning and climax communities are the end result.
C.The appearance of each indicates that the number of species in the area is increasing.
D.The appearance of each indicates that the number of species in the area is decreasing.
What are some causes of cancer
Answer:
There are a bunch of things.
Explanation:
Smoking and Tobacco.
Diet and Physical Activity.
Sun and Other Types of Radiation.
Viruses and Other Infections.
Hope this helps!
Answer:Smoking and Tobacco.
Diet and Physical Activity.
Sun and Other Types of Radiation.
Viruses and Other Infection
Which statement best describes the flow of matter among the organisms in an ecosystem?
A. Matter is destroyed as it is transferred from one trophic level to the next.
B. Matter is either transferred from one trophic level to the next or destroyed as waste.
OC. Matter is stored in a trophic level, transferred to another trophic level, or released as waste.
O D. All of the matter from one trophic level is transferred to the next trophic level.
Answer:
C. Matter is stored in a trophic level, transferred to another trophic level, or released as waste
Explanation:
Matter is stored in a trophic level, transferred to another trophic level, or released as waste. A trophic level is a level of an ecosystem that consists of organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy. For example, producers, such as plants and algae, are the first trophic level; primary consumers, such as herbivores, are the second trophic level; secondary consumers, such as carnivores, are the third trophic level; and so on. Matter is anything that has mass and takes up space, such as atoms and molecules. Matter cycles through an ecosystem in various forms, such as carbon, nitrogen, oxygen, and water. Matter is not created or destroyed in an ecosystem, but it can change forms and locations. Matter can be stored in the bodies of organisms or in abiotic components of the ecosystem, such as soil, water, or air. Matter can be transferred from one trophic level to another when one organism consumes another organism or when one organism decomposes another organism. Matter can also be released as waste when organisms excrete or respire. Therefore, matter is constantly moving and transforming in an ecosystem, but it is conserved in terms of mass and energy.
Directions: List 5 examples for each type of change to matter.
Physical Change - The identity does not change (formula)
Chemical Change - The identity does change (formula)
i will give brainliest again, thanky ou for your help!
Answer:
Physical Change:
- Boiling water
- Breaking a pencil
- Water evaporating
- Denting a car door in an accident
- Tearing paper
- Ice melting
- dissolving
Chemical Change:
- Something rusting
- photosynthesis
- metabolism/digestion
- Nuclear power [atoms are arranged differently]
- Smashing paper with two metal balls, burns paper
- Electricity in water, breaks H2O into H2 and O2
-----
physical change is when there is only physical change occurring--and it can typically be undone easily,
whereas chemical change is when there is chemical change--which changes the chemical properties of something, which cannot be undone simply.
hope this helps!!
Answer:
physical [The identity does not change]
1. tear paper
2. submerge in water
3. eat [chewing] food
4. cutting hair
5. closing lid
chemical [The identity does change]
1. digest food
2. acid [corrosion]
3. rust
4. burning paper
5. baking
Proteins with all essential amino acids are found primarily in ______-based foods.
Meat, dairy products, nuts, and some grains and legumes are good sources of protein in your diet. Complete proteins can be found in meat and other animal products.
Which foods made of plants have all nine necessary amino acids?In East Asian cuisine, tofu, tempeh, and edamame are all products made from soybeans. Whole sources of protein include soybeans. In other words, they give your body all the critical amino acids it need.
Do mostly animal-based meals have proteins that contain all nine necessary amino acids?Complete proteins are those found in animal products like meat, eggs, and milk because they contain all the essential amino acids our bodies require. The highest-quality sources of protein are found in animal products.
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What occurs when there is a higher concentration of molecules on one side of a membrane and the molecules flow to the other side to balance the concentration
Fusion
ОООО
Simulus
Conversion
Answer:
Diffusion
Explanation:
The concept of diffusion states that molecules like to travel from areas of high concentration to low concentration.
Let's think about an example. Let's say you are having a party at your house and in one room there is 100 people and in the other room connected to it, there is only 10 people. What do you think is going to happen as time passes? Right, people are going to move to the room where there is less people so as to equally disperse themselves across the area. The same thing happens within our body with ions and gases.
Ions can diffuse into or out of cells based off their concentration gradients. If there are too many ions on one side, they will simply move to the other side. There are different types of diffusion. Passive diffusion and facilitated diffusion, but those are for a different conversation.
A scientist is tracking and studying all of the great white sharks in an ecosystem
close to Hawaii. What is She is studying
in an ecosystem.
a community
a competition
an environment
a population please help
Answer:
An environment is the correct answer
Explanation:
a biological community of interacting organisms and their physical environment
Hope this answer helps you :)
Have a great day
Mark brainliest
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Explain how all the properties of water are related. Provide an example to describe the interconnectivity of each property. Be sure to include hydrogen bonding, polarity, surface tension, capillary action, cohesion, adhesion, high specific heat, and expansion upon freezing.
Water is a liquid that is tasteless, odorless, and also has a standard temperature of 25°C.
Water is known to be a polar inorganic compound which is a universal solvent. The molecules of water form hydrogen bonds with themselves. The hydrogen bonding of water causes other properties such as the high heat capacity that water has, high boiling point of 100°C. Also, water molecules possess strong cohesive forces because of their ability to form hydrogen bonds.In conclusion, water is amphoteric which means that it has both properties of acid and base.
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A canon is an ever-changing set of rules and proportions for rendering nature and the human figure.
a. True
b. False
Option b is Correct. False. A canon is a constantly evolving collection of guidelines and proportions for illustrating nature and the human form.
First used by the Egyptians and subsequently by the ancient Greeks to measure the various parts of the human body in relation to one another, the canon of proportions is a collection of ideal, mathematical ratios used in art, particularly sculpture.
In terms of art history, this means that a body of works that are considered to be "indisputably quality" within a culture or that have passed a nebulous litmus test for merit are considered to be part of the canon. The terms "canon" and "canonisation" refer to the act of designating particular facets of culture as essential, paramount, or exemplary. A Polykleitos sculpture was referred to as the "canon" in ancient.
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a members of the species microtus pennsylvanicus living in a certain location make a up a
cancer cells are characterized by increased cell division. inhibitors of microtubule assembly, colchicine for example, are used for cancer chemotherapy. how does an inhibitor of microtubule assembly affect cancerous cells?
One of the most effective groups of cancer chemotherapeutic medications currently used in clinics targets microtubules and interferes with the mitotic spindle's normal activity.
There is growing evidence that even small changes in microtubule dynamics can activate the spindle checkpoint, halting the cell cycle at mitosis and ultimately causing cell death. A new era in cancer treatment has been made possible by our growing understanding of tumor biology and our continuous respect for the capabilities of microtubule target agents (MTAs). However, a number of side effects and drug resistance have reduced the usefulness of these drugs for the treatment of cancer. In addition to resistance to the known MTAs, a number of novel MTAs have demonstrated significant activity against the proliferation of various cancer cells.
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Cancer cells lack the normal controls and mechanisms that regulate and restrict cell division. The cell cycle is the mechanism through which all cells, including healthy and malignant ones, divide.
The ability of chemotherapy to kill cancer cells depends on its ability to halt cell division. Usually, cancer drugs work by damaging the RNA or DNA that tells the cell how to copy itself in division. If the cancer cells are unable to divide, they die. Chemotherapy drugs that kill cancer cells only when they are dividing are called cell-cycle specific. Chemotherapy drugs that kill cancer cells when they are at rest are called cell-cycle non-specific. The scheduling of chemotherapy is set based on the type of cells, rate at which they divide, and the time at which a given drug is likely to be effective. This is why chemotherapy is typically given in cycles.
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What tectonic evidence does NOT support Alfred Wegener's theory of plate tectonics?
Answer: Portrayal of thermal convection as a mechanism.
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by most standards, homo sapiens group of answer choices is a successful genera. is a successful species. constitutes a majority of the cells on the planet. has not altered the face of the planet.
By most standards, Homo sapiens group is a successful species. It has dominated the planet earth.
Humans are the only known species to have developed complex societies. We have advanced technology, art, music, literature, science, and a well-established language system. We have also developed a civilization that supports over 7 billion people.
Homo sapiens have indeed altered the face of the planet in several ways. Our civilization has cleared out forests, drained wetlands, polluted water bodies, and even removed entire mountains for the extraction of resources. We have built large dams, highways, buildings, factories, and other structures that have changed the landscape in significant ways. Our presence has also impacted various ecosystems, and many species have gone extinct due to human activities.
Despite the changes that humans have made to the planet, we still have a chance to prevent further damage. The focus should be on developing sustainable practices that would help conserve the natural environment. We need to ensure that future generations have access to clean water, fresh air, and healthy ecosystems. We should also focus on mitigating the negative impacts of human activity on the environment.
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1. Why are asteroids, comets, and meteoroids not classified as planets?
Answer: Asteroids were not considered planets because they are too small and numerous. ... Eight planets still satisfy the more rigorous definition of “planet” — a large object with an orbit that is fairly circular and within the plane of the solar system.
Explanation:
Your first assignment is to find an article talking about a scientific topic. This article can be from a source of your choosing (such as a newspaper or an internet article). You will need to include the article with your assignment. Once you have your article, you will write a short paper identifying two inferences made in this article and the facts the writer used to make these inferences. Then, elaborate on whether the two inferences made by the author are valid or more opinion-based. Be sure to include your reasoning of why you came to this conclusion. Some examples of where you can find articles about scientific topics are:
Answer:
Mahal kitang labis kahit titi mo is to short kantutan tyu Maya aylab u mharr
What prevents cold air from being circulated to the heated space during the defrost cycle?
During the defrost cycle, cold air is prevented from being circulated to the heated space through a few mechanisms. One key factor is the use of a defrost control board or timer.
This component ensures that the defrost cycle only occurs for a specific duration, allowing the system to quickly and efficiently remove frost from the evaporator coil.
Another important mechanism is the use of a defrost thermostat or sensor. This device monitors the temperature of the evaporator coil and initiates the defrost cycle when it senses that the coil has become too cold and is covered in frost. Once the defrost cycle begins, the thermostat or sensor ensures that the heating elements are activated to melt the frost.
Additionally, during the defrost cycle, the system typically reverses the direction of the refrigerant flow. This helps redirect the cold air away from the heated space and back to the outdoor unit, preventing the circulation of cold air into the heated area.
Overall, these mechanisms work together to prevent cold air from being circulated to the heated space during the defrost cycle, ensuring efficient and effective operation of the heating system.
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We know that the formation of chemical bonds results in a release of energy. In the process of aerobic cellular respiration, the energy ________ from the formation of carbon dioxide and water is ________ than the energy needed to break the bonds in sugar and oxygen.
1. released, greater
2. absorbed, greater
3. released, less
4. absorbed, less
how many codons do you need for five amino acids
describe the connection between the digestive and respiratory systems
Answer:
Explanation:The respiratory system brings oxygen into the lungs when you breathe. The digestive system breaks food down into nutrients such as glucose. Now the circulatory system enters the picture. It transports glucose and other nutrients from the digestive system to the cells.
You work in a museum that has a huge, beautiful, stained-glass window. Each panel tints the light a different color. Recently a new exhibit showcasing plants from around the world has set up a table in front of the window. Plant 1 is in front of a blue stained glass, Plant 2 is in front of a purple stained glass, and Plant 3 is in front of a green stained glass. Which plant should you tell the museum director to move so it doesn’t become malnourished?
A. Plant 3
B. Plant 2
C. Plant 1
D. All three plants
Answer:
The plant that should be moved to not become malnourished is the plant 3.
Explanation:
The visible spectrum, or optical spectrum, is the portion of the electromagnetic spectrum whose radiation is composed of photons capable of sensitizing the human eye of a normal person. The corresponding range of visible light radiation is identified.
With that being said, plant 3 is in front of a green stained glass. plants have chlorophyll pigment that reflect back the green light, so the green light is least effective for photosynthesis and for that reason it will die as quickly as if it is kept in dark.
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I need help with this practice problem solving In your words, give a short summary to my pic
Answer: The English settlers brought it over from England when they brought supplies to start a new life over
Explanation:
skateboarder is flying
through the air after a jump.
Which would BEST describe
the type of energy used by
the skateboarder while
jumping?
A. Electromagnetic energy
B. Mechanical energy
C. Nuclear energy
there are distinct differences are similarities between prokaryotes and eukaryotes; the similarities are
Answer:
they both have a plasma membrane and protoplasm
they both contain DNA
One problem with getting mrna vaccines to work was that the immune system responded and destroyed the rna too quickly. How did the immune system recognize the foreign rna?.
The immune system recognizes the foreign RNA due to the presence of pattern recognition receptors (PRRs) on APCs that recognize the foreign microbes.
RNA is the genetic material. It is the unstable nucleic acid present in pathogens like viruses as the genetic material. The full form of RNA is Ribonucleic Acid.
PRRs are the crucial proteins of innate immunity. These are the receptors that recognize and bind with the molecules present on the pathogens. This triggers the immune system to activate various immune cells that protect the living organism. The cells that possess PRR are: macrophages, dendritic cells (DCs), monocytes, and B lymphocytes.
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explain the relationship between crossing over and genetic variation
Crossing over can create genetic variation. Crossing over is when chromosomes cross over they give + take a part of another chromosome which can create different variation in genes.
Answer:
Crossing over is the process by which genetic material is exchanged by non-sister chromatids during meiosis. Crossing over results in a new combination of genetic information for the cell for a specific trait. Crossing over ensures that organisms are not identical from generation to generation. Genetic recombination allows for a variation in genetic material that is passed through the generations.
Explanation:
Complete the table about subatomic particles?! Plz help?
Answer:
protons have a positive charge and are located inside of the nucleus. electrons have a negative charge and are located outside of the nucleus. neutrons have a neutral charge and are located inside of the nucleus.
The table about subatomic particles is completed below:
Electrons are negatively charged in nature and located outside the nucleus. Protons are positively charged in nature and located inside the nucleus. Neutrons are neutrally charged in nature and located inside the nucleus. What do you mean by Electrons?Electrons may be defined as the type of subatomic particles that are significantly revolving around the nucleus of an atom in orbitals. These subatomic particles are negatively charged in nature. J.J. Thomson was thought to be the discoverer of these particles.
Ernest Rutherford was thought to be the discoverer of the subatomic particles known as Protons. While Chadwick was thought to be the discoverer of the subatomic particles known as neutrons. The function of each subatomic particle is very distinctive within the atom.
Therefore, the table about subatomic particles is well described above.
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The pH in the stroma of the chloroplast should be _____ compared with the thylakoid lumen, due to the _____ concentration of protons in the thylakoid lumen.
Due to the higher concentration of protons in the thylakoid lumen, the chloroplast stroma should have a higher pH than the thylakoid lumen.
However, pH decreases to acidic levels in the thylakoid lumen and rises to alkaline levels in the chloroplast stroma during dark-to-light transitions. The stromal pH is always alkaline, while the thylakoid luminal pH stays at an acidic level during light periods.
The stroma's pH rises by nearly one pH unit and the thylakoid space's pH decreases by 1.5 when illuminated. 2. CO2 obsession is demonstrated to be firmly subject to the pH in the stroma. Below pH 7.3, activity was almost nonexistent, and the optimal pH was 8.1.
The transporters in the electron transport chain utilize a portion of the electron's energy to move protons from the stroma to the lumen effectively. During photosynthesis, the lumen becomes acidic, as low as pH 4, contrasted with pH 8 in the stroma.
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what is the purpose of carbohydrate loading? multiple choice question. carbohydrate loading maximizes glucagon stores. carbohydrate loading maximizes blood glucose levels prior to competition. carbohydrate loading maximizes blood glucose during competition. carbohydrate loading maximizes glycogen stores prior to competition.
Carbohydrate loading maximizes glycogen stores prior to competition is the purpose of carbohydrate loading.
Carbohydrate loading is a dietary technique that athletes use to increase muscle glycogen levels. It is intended to maximize glycogen stores in order to improve endurance in competition or improve the effectiveness of training sessions. It's generally used by endurance athletes who compete in events that last longer than 90 minutes. Carbohydrate loading is a process in which athletes gradually boost their carbohydrate intake while simultaneously reducing their exercise volume. They then rest and reduce their carbohydrate intake for the next two days. This technique is believed to improve glycogen stores in the muscles, which are the body's primary source of energy during prolonged activity. Glycogen is the body's preferred energy source during exercise, and when athletes have ample glycogen stores, they are able to exercise for longer periods of time before they become fatigued. The aim of carbohydrate loading is to increase glycogen stores by up to two times their typical levels, allowing the athlete to perform at a higher level for a longer period of time. In summary, the purpose of carbohydrate loading is to maximize glycogen stores prior to competition.Learn more about carbohydrate loading: https://brainly.com/question/9943891
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