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Elina [12.6K]
3 years ago
9

What is a characteristic of aging and the immune system?

Biology
1 answer:
elena-s [515]3 years ago
8 0
<span>The answer is, C. Antibiotics are often ineffective in treating older people who have deficient immune systems


(:
</span>
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This particle has a negative charge.<br><br> 1) proton<br> 2) neutron<br> 3) electron
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Answer:

2)neuton

Explanation:

because neuton is Part of Earth

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Select all of the answers that apply.
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What is multicellular organismss
mihalych1998 [28]

Answer:

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By definition, a compound microscope possesses:
valkas [14]

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two sets of magnifying lenses

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two magnifying lenses. It produces two dimensional image. The eyepieces and the objective lenses give a very high magnification, a condenser that is below the stage focus the light into the specimen to be viewed.

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