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natulia [17]
2 years ago
12

Which of these is an example of an undesirable effect of friction?

Biology
1 answer:
Varvara68 [4.7K]2 years ago
8 0

Answer:

b. energy loss in machines

Explanation:

It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.

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A(n) ____________ is a preparation of one or more microbial antigens to induce protective immunity in potential hosts. listen to
Dmitry [639]

A vaccine is a preparation of one or more microbial antigens to induce protective immunity in potential hosts.

Vaccines are the anti-microbial agents administered to provide immunity against specific diseases. There can be a wide variety of vaccines, like: live attenuated vaccine, vaccine with killed or inactivated microbes, vaccine containing the sub-parts of the microbes, etc.

Immunity is the body's ability fight against a disease. The immunity is build when a body gets attacked by pathogen. Various immune cells like neutrophils, MHCs, dendritic cells, B and T cells, etc. are involved in building and strengthening the immunity of any person.

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7 0
1 year ago
In which step of translation does the RNA become charged?<br> activation<br> elongation
EastWind [94]
RNA becomes charged during the activation process
4 0
4 years ago
What colors of light are absorbed? Which color is not absorbed?
erastovalidia [21]

Answer:

All colour except which is already present in the body.

Explanation:

The plant leaf has green colour so the plant absorb all the colour except green. The presence of green colour causes reflection of green colour so that's why we can see the green colour of the leaves. Every material or substance have a specific colour which can be seen when they absorb all light except the colour which is already present in it so we can say that that colour is not absorbed by the body which is already present in it.

7 0
3 years ago
Why are the layers in the rock important?​
Viktor [21]

Answer:

Explanation:

 Why are layers of rocks related to each other?

Layering, or bedding, is the most obvious feature of sedimentary rocks. ... This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock layers and the fossils in them. Layered rocks form when particles settle from water or air.

3 0
3 years ago
What are the products of the calvin cycle?
sergeinik [125]

<span>6 Turns of the Calvin Cycle→ 1 C₆H₁₂O₆
6CO₂ → 1 C₆H₁₂O₆
18 ATP + 12 NADPH → 1 C₆H₁₂O₆
 ATP is used elsewhere by  the cell.</span>


8 0
3 years ago
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