Answer:
Viruses have to invade the body of a host organism in order to replicate their particles. Therefore, most viruses are pathogenic. The main difference between bacteria and virus is that bacteria are living cells, reproducing independently and viruses are nonliving particles, requiring a host cell for their replication.
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Answer
d.crust
Explanation
because he covered the layer of the earth
The organelles that produce proteins used within the cell are the ribosomes.
Final answer: Ribosomes.
Large fragments of dust and debris clump together to form a planet