3 position of the molecules.
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.
hope this helps :)
Answer:
A) Single
Explanation:
Speed is a single unit of measurement :)
The gradient of streams tends to be steeper in their upper reaches and gentler in their lower reaches<span>.</span>
