Question

what is viruses are​

Answer 1

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A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses. Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded.

Answer 2

Answer:

A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses. Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded.

Explanation:

Ex.. Corona which has spread in the world.

It affect our lungs, which stop our breath and we start feeling breathless... Some of the viruses can take our lives in just seconds if we do not get any type of treatment.