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Answer:

Dois alunos estavam discutindo sobre vírus. O aluno A acredita que os vírus não são organismos vivos. O aluno B acredita que os vírus são organismos vivos. Qual aluno está correto e por quê?

Explanation:

espero ter ajudado boa noite

A submicroscopic virulent agent that infects animals, plants, bacteria etc. is called viruses. They are capable of copying inside host cells only. Viruses cause many diseases in animals and plants.

The correct discussion is:

Student A believes that viruses are not living organisms.

The student's statement can be explained as:

Therefore, viruses are not contemplated to be living.

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Answer:

Air-sea exchange is a physio-chemical process and is important for the cycling of gases such as carbon dioxide, methane, nitrous oxide, dimethylsulfide and ammonia

Answer:

I think it's c maybe not sure though

As you increase in altitude, there are fewer air molecules. Due to the lower amounts of air molecules, the atmospheric pressure decreases causing the air to be harder to breath in.

Answer:

petals

Explanation:

ye

Answer:

Recticuli(rectangular)

"Recticuli (rectangular)" is not among the most common cell shapes found in prokaryotes. Therefore, option (D) is correct.

Rectangular cells, represented by "Recticuli" in your options, are not among the most common cell shapes found in prokaryotes. Prokaryotes are primarily characterized by cocci (spherical), bacilli (rod-shaped), and spirochetes (spiral-shaped) forms. Cocci are typically round, bacilli are elongated rods, and spirochetes exhibit a spiral or helical structure.

These shapes facilitate various functions such as movement, attachment, and replication. Rectangular cells, while theoretically possible, are not commonly observed in natural prokaryotic populations. The lack of real-world prevalence could be attributed to the structural challenges and limited advantages of such a shape in prokaryotic environments. The prevailing shapes have likely evolved due to their practical benefits, underscoring the connection between form and function in these microorganisms. Therefore, option (D) is correct.

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Answer:

There are many different kinds of microscopes. A magnifying glass is a simple microscope. The term microscope commonly refers to a compound microscope. These Microsoft are called compound because they are made of several glass lenses in a tube. The total magnifying power of a microscope is the product of the magnifying power of the lens is in the ips and the magnifying power of the lens in the objective.. Most compound microscopes can magnify a specimen up to 400 times as real size. Microscope allow you to see fine details. Space is between objects that are closer together than 0.1 mm can be seen. The ability of a microscope to separate small distances is called resolving power. If the resolving power is not good the image will be blurred. When you look into the eye piece of microscope the circular area you see is the field of view when a ruler is placed across the opening of the stage the field of view can be measured in millimeters. Sharpening an image under high magnification used the Find adjustment knobs. The part of the microscope that holds the Microscope slide is called the stage.

The greatest number of relationships between the organisms in an ecosystem is best shown in a food web. Thus, the correct option is C.

A food web consists of all the food chains which are present in a single ecosystem. Each of the living thing in an ecosystem is a part of multiple food chains. Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem.

For example- A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. It is a food web that shows the many different paths plants and animals are connected.

Therefore, the correct option is C.

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Answer:

When planning an investigation, the scientific method are the steps you take to complete an investigation.

Explanation:

A disaccharide is the sugar formed when two monosaccharides are joined by glycosidic linkage. Like monosaccharides, disaccharides are simple sugars soluble in water. Three common examples are sucrose, lactose, and maltose.

True as it saves natural resources and from pollution of land.

Explanation:

e..................... ...........

Answer: Medigap

Explanation:

Farming causes a chain reaction: farmers supply crops/meats to distributors, distributors sell crops/meats in bulk to grocery stores, and those in the food industry can obtain their produce through the mentioned grocers. Restaurants rely on grocers, who rely on distributors, who rely on farmers.

Answer: Make laws.

Declare war.

Raise and provide public money and oversee its proper expenditure.

Impeach and try federal officers.

Approve presidential appointments.

Approve treaties negotiated by the executive branch.

Oversight and investigations.

Explanation: Thats all of their powers just choose 3!!

How does oxygen enter the mitochondrial matrix? The electrons taken from NADH and FADH are passed to several other proteins in the inner mitochondrial membrane. Ultimately, they are passed to oxygen (O2). O2 becomes two molecules of water (H2O) after receiving four electrons. This is how oxygen is used by cell respiration.

Answer:

Experimental design refers to how participants are allocated to the different groups in an experiment. Types of design include repeated measures, independent groups, and matched pairs designs.

Explanation:

hope it's helps you.....:)

Answer:

Punnett squares

W is dominant

w is recessive

       W            w

W    WW        Ww

w     Ww        ww

Explanation:

Punnett squares

W is dominant

w is recessive

       W            w

W    WW        Ww

w     Ww        ww

Answer:

A. alaska

Explanation: plants don’t survive in the extreme cold and ice that cover these regions year-round.

Answer: They make proteins my friend.

Explanation:

Answer: The answer is in the image.

Answer:

James Watson, Francis Crick , Maurice Wilkins and Rosalind Franklin

Answer:

DNA “typos” cause variation

Explanation:

Any time DNA is copied, a mistake or change can occur in the letters of the DNA sequence, or gene. These changes result in variations or differences in DNA from person to person.

The "typos" that happen when DNA is being copied is mutations and variations.

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

Moreover, mutations result either from errors in DNA replication or from the damaging effects of mutagens, such as chemicals and radiation, which react with DNA and change the structures of individual nucleotides.

Therefore, mutations within the DNA are a fairly common event. Mutations are random changes that occur within the sequence of bases in DNA. They can be large scale, altering the structure of the chromosomes.

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Answer:

If we want to know how to fix problems in our environment, we need to know how it was before it got the way that it is today.

Explanation:

That is the explanation, please mark as brainliest

Environmental degradation must be reduced, so by the baseline data of the world's ecosystem must be researched.

Ecosystem defines the interaction between living (biotic) components and nonliving (abiotic) components. A living system depends on nonliving factors around them.

Temperature, soil, and light are all components that are necessary for the living system to reproduce and survive. Plants can not do photosynthesis without light and also get minerals and water from the soil.

We need to understand the baseline of the world's ecosystem, so climate-changing conditions can be reduced. Global warming is a critical condition for the ecosystem and can be reduced by research.

Therefore baseline data on the world's ecosystem must be researched to improve environmental conditions.

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Answer:

plant cells form the cell plate in between the two daughter cells in mitosis, 

Answer:

option b is the right one