The first law of thermodynamics states that -
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b. energy can neither be created nor destroyed, but it can change from one form to another.
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classifique os eventos abaixo em APRENDIZADO ou INDTINTO.
a) joão de barro fábrica a própria casa.
b) uma ave aprende a abrir a própria gaiola.
c) uma tartaruga retorna à praia que nasceu para por deus ovos.
d) ler um livro.
e) uma criança chora ao nascer
Answer:
sorry I don't know this language
I’ll give brianlist pls.
1.Why can air be
compressed?
Answer:Air Can be compressed because particles in air have alot of space between them
Explanation:
Air particles are not squished together like solid compressing air squishes the particles hence the reason air can be compressed
The cassava is an important food crop for people living in sub-Saharan Africa. In the 1970s, mealybug infestations destroyed harvests and people starved. A researcher who studied the mealybug in its native environment discovered a parasitoid wasp that was a natural predator. After extensive testing to determine safety, the parasitoid wasp was introduced into the sub-Saharan region with tremendous effect controlling the mealybug throughout most of Africa. This approach represented a form of
Answer:
Biological control.
Explanation:
The introduction of parasitoid wasp into the sub-Saharan region in order to control the population of mealybug throughout most of Africa. This approach represented a form of biological control because one harmful organism is controlled with the help of other living organisms that feed on them. This method is environmental friendly and good as compared to chemical method of removing harmful insects.
Why might a scientist rerun an experiment if the experiment is shown to support a hypothesis?
im not sure what the answer is please helpppp
State 3 characteristics of iodated salt
Answer:
1. soluble in water
2. White Crystalline Powder
3. Transparent and Colorless
p,ease help meeeee
due in 5
Answer:
A membrane is partially permeable which means if a molecule that is smaller than another it can pass through the membrane but the molecule which is larger cannot (this totally depends on the membrane)
What part of the body is not working as it should when you have asthma
Answer:
The Lungs
Explanation:
Asthma is a lung disease that affects your airways. With asthma, the lining of your airways is constantly hypersensitive, resulting in redness and swelling (inflammation). It's similar to how sunburned skin turns red, irritated, and sensitive. The airways become hypersensitive to things you are exposed to on a daily basis, or asthma "triggers." a trigger could be a common cold, stress, changes in the weather, or environmental factors like dust, chemicals, smoke, or pet dander.
Airway remodeling can occur as a result of poor asthma management. When asthma is untreated or poorly managed, it can lead to airway remodeling, which is a serious condition. The lungs become scarred, asthma medications become less effective, and less air can pass through your airways. It is not necessary to remodel the airways.
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PLEASE ANSWER FAST I NEED IT
Answer:
the answer to this would be d
Help me thanks!!!!!!!!
In 2011 and 2012, scientists working on the Banana River in Florida recorded a dramatic increase in the number of manatee deaths. Over the past 50 years, this area has also seen the human population increase by more than 500,000 people. It is believed that pollution from numerous sewage tanks leaked into the water, eliminating the manatees' food source, replacing it with an alga that is toxic to the manatee. This is an example of A) a natural cycle in an ecosystem B) the effect of increased biodiversity on an ecosystem C) human actions altering ecosystems with serious consequences D) direct harvesting in an ecosystem
Answer:
C) human actions altering ecosystems with serious consequences
Explanation:
The increase in the manatee´s death during 2011-2012 might be directly related to human actions.
The increase in the number of people during the last 50 years to more than 500,000 individuals, and probably the lack of policies and regulation, lead to an enhance in water pollution by sewage tank leaks.
Pollution probably caused a gradual decrease in the manatee´s principal source of food, which also caused an increase in the toxic algae population.
Algae caused the death of manatees as a consequence of human action that altered the natural ecosystem by polluting water.
Each of you will have to show your work for the following questions.
1. In rabbits, grey hair is dominant to white hair. Also in rabbits, black eyes are dominant to red eyes.
GG=gray hair
Gg= gray hair
gg= white hair
BB= black eyes
Bb=black eyes
bb= red eyes
What are the phenotypes of rabbits that have the following genotypes:
Ggbb
ggBB
GgBb
ggbb
Part B Which shape of molecules do scientists think may be important for the development of life and why?
Answer:
Molecular shape (the shape that a single molecule has) is important in determining how the molecule interacts and reacts with other molecules. The Molecular shape also influences the boiling point and melting point of molecules. If all molecules were linear then life as we know it would not exist.
Answer:
Scientists think that branched molecules may be important for the development of life. That’s because amino acids have branched molecules, and they are the building blocks of proteins
Explanation:
plato
Which of the following is not true about inflammation
a) it acts to creat a immune system memory
b) helps prevent the spread of an infection to surrounding tissues
c) if it becomes widespread, a fever may result
d) it acts disinfect and clean injured tissues
The application of evolutionary principles to the study of human variation Group of answer choices allowed scientists to divide the human species precisely into well-defined races helped replace earlier views based solely on observed phenotypes; brings the focus to geographic ancestry reinforced traditional views of races as fixed biological entities that do not change supports the idea that ethnicity and race are categories that can be used interchangeably (they are the same thing) when describing groups of modern humans.
Answer:
helped replace earlier views based solely on observed phenotypes
Explanation:
The study of human variation has shown that individuals from different populations (previously erroneously considered as geographic races) are often genetically more similar than individuals from the same population. In consequence, the evolutionary approach for understanding human variation has enabled us to discard the biological race concept based solely on observed phenotypes in order to provide a more realistic variation concept associated with evolutionary human development. From this perspective, it has been possible to confirm that 1-there are no human subspecies and 2- the concept of human races is not scientifically suitable to describe human variation.
Select the correct answer.
Which food component is indigestible by the body?
A.
complex carbohydrate
B.
fiber
C.
protein
D.
unsaturated fat
E.
trans fat
Reset Next
Answer:
Fiber
Explanation:
Fiber is one kind of carbohydrate which is indigestible by the body. Fiber is a part of plant foods which is not digestible for our body.
Fiber is the food component that is indigestible by the body. Therefore, option (B) is correct.
Fiber is a type of carbohydrate found in plant-based foods that the human body cannot digest or absorb. It passes through the digestive system relatively intact and provides several health benefits. There are two types of dietary fiber: soluble and insoluble.
Soluble fiber dissolves in water to form a gel-like substance in the digestive system, which can help lower cholesterol levels, regulate blood sugar, and promote feelings of fullness. Examples of foods that are high in soluble fiber include oat bran, beans, apples, and citrus fruits.
Insoluble fiber, on the other hand, does not dissolve in water and helps to add bulk to stool, promoting regular bowel movements and preventing constipation. It also helps to keep the digestive system healthy by feeding beneficial gut bacteria. Examples of foods that are high in insoluble fiber include whole grains, nuts, seeds, and dark leafy greens.
Including a variety of high-fiber foods in the diet can have numerous health benefits, including improved digestion, lowered risk of heart disease, and better weight management.
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How can scientists use the fossil record to find evidence of relationships between different species?
Answer:
Species can be classified using the fossil record based on analogous or homologous structures.
Explanation:
By comparing the anatomy of both modern and extinct species, paleontologists can infer the lineage of those species, scientists use the fossil record.
What is Fossil?A fossil is defined as the preserved remains, imprint or trace of a once living thing from a past geological age. Some examples of fossils are bones, shells, exoskeletons, stone marks of animals or microbes, objects preserved in amber, hair, petrified wood, and DNA residues. The totality of fossils is known as the fossil record.
Fossils form the morphological, or anatomical record, through comparing the anatomy of both modern and extinct species with the comparative anatomy of present-day organisms, paleontologists can infer the lineage of those species.
Thus, by comparing the anatomy of both modern and extinct species, paleontologists can infer the lineage of those species, scientists use the fossil record.
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Briefly explain the adaptive features of plants and animals in a forest.
Answer:
being invisible to a predator or prey is an advantage in the tropical rainforest
Andrea wants to make tomato sauce from the freshly grown tomatoes in her backyard. However, she notices that the tomatoes are covered with dirt and fears that there might be some organisms on their surface. She also wants to brighten their color to reduce the dependency on artificial food colors. Which food preservation technique should Andrea use?
A) Irradiation
B) Blanching
C) Dehydration
D) VAcuuum Packing
Answer:B) blanching
Explanation:
Lawmakers discuss methods of preventing pollutants that could directly start
a positive feedback loop in the area shown in the picture.
Which
of these
actions
should
they
take?
Total Ozone (Dobson units)
A. Ban the use of
chlorofluorocarbons
in rigeration
systems
B. Increase funding for coal technology
C. Lower allowed concentrations of particulate matter released from
factory smokestacks.
D. Increase the number of jets flying in the upper troposphere.
Answer:
A.
Explanation:
A P E X
Lawmakers discuss methods of preventing pollutants that could directly start a positive feedback loop in the area shown in the picture, and this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.
What are the negative impacts of chlorofluorocarbons on the ecosystem?The ozone layer is an important component of the atmosphere that protects life on Earth from harmful ultraviolet radiation from the sun, and one of the major threats to the ozone layer is the release of man-made chemicals such as CFCs, which can react with ozone and deplete it, so if the ozone layer is depleted, more ultraviolet radiation can reach the Earth's surface, causing skin cancer, cataracts, and crop damage.
Hence, this happens due to the ban on the use of chlorofluorocarbons in refrigeration systems that is in Option A.
Learn more about the negative impacts of chlorofluorocarbons here.
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What is the relationship between climate change and greenhouse gases?
Answer:
Greenhouse gases build up in the atmosphere, trapping warmth in.
What is a reflex action??
How is it produced???
Answer:
Automatic response that does not receive or need conscious thought.
Explanation:
help me plezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
10.. arteries and veins
11..they take in nutrients from the soil
12..cell membrane and cell wall
Which description best defines blastocyst? ОА. a fertilized egg OB. an egg released from the ovary Ос. a mass of specialized cells OD an embryo with a notochord Reset Next
Answer:
ob
Explanation:
the movement of water from the roots through the plant and out of the leaves is known as the... what
Answer:
Transportation
Explanation:
It can also be referred to transpiration.
en que unidad de longitud se miden las celulas
Answer:
La unidad para medir las células es la micra (m ) la cual equivale a la milésima parte de un milímetro (1m = 0,001mm).
Explanation:
A student set up an experiment to show that carbon dioxide is consumed by Elodea plants during photosynthesis. She filled two test tubes with distilled water and placed a piece of Elodea in one of the tubes. She added a drop of phenol red which is a pH indicator to both tubes. She blew in each tube to add carbon dioxide, which caused the distilled water to become more acidic. She exposed both tubes to the light and recorded any color changes in the liquid in the tubes. What is the negative control in this experiment
Answer: The NEGATIVE CONTROl is the test tube that is filled with ONLY distilled water.
Explanation:
A negative control of an experiment is carried out alongside the main primary experiment except that the treatment is changed to something that is predicted to have no result. In the negative control, the student does not expect any response. This would help the student compare the result of a new experiment against an already known existing results.
Analysing the experiment carried out by the student, She filled two test tubes with distilled water and placed a piece of Elodea in one of the tubes, leaving the other without a plant. The other test tube that contains only distilled water is the negative control because she wasn't expecting any result from it. It's also served as a control sample to the primary experiment. This is observed as she blew in each tube to add carbon dioxide, which caused the distilled water to become more acidic. This would help the student know that the that experimental results are valid and to ensure that time is saved.
Write a short note on broyophytes?
Answer:
Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.
[tex]\underline{QUESTION:_}[/tex]
[tex]Write~ a ~short~ note ~on~ bryophytes?[/tex]
-----------------------------------------------
[tex]\underline{ANSWER:-}[/tex]
Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.[tex]\underline{-----------}[/tex]
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Provide Three reasons why Nguni cows are referred to as excellent mother's
Explanation:
They are termed as "Excellent Mother" because of the following reasons:
They have long productive lives, cows will produce 10 or more calves calving regularly.
The cows show great efficiency and often wean calves that weigh 45-50% of their body mass.
Containers of ice cream are sold by volume, not by weight. Some ice cream manufacturers pump air into the ice cream before packaging it. Why does this practice make the ice cream more expensive to the consumer?