16, 19, 24, 31.
what is the seventh term in the sequence?

The seventh term is 64.

Explanation:

To find the seventh term, we must find out the relation of the first 4 numbers.

If we look, each adds 2 more than the last.

19-16=3, 24-19=5, 31-24=7.

So the next terms in the sequence can be found by following the pattern.

31 + 9 = 40, 40 + 11 = 51, 51 + 13 = 64.

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.