The 2 is the subscript for H symbolises the presence of 2 Hydrogen atoms.
Answer:
c. the virus inserts its genetic information into the host
cell
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B. copies of the virus are immediately released from the host
A hazard is a danger or risk.
Nonliving characteristics include the fact that they are not cells, have no cytoplasm or cellular organelles, and carry out no metabolism on their own and therefore must replicate using the host cell's metabolic machinery. Viruses can infect animals, plants, and even other microorganisms.