Which statement is an example of a metaphor? The sand was very comforting.
The sand was a warm blanket.
The sand was as soft as powder.
The sand was delicate and soft.

The sand was a warm blanket.

Explanation:

it says that its a warm blanket but its not acually a warm blanket.  A metaphor is "a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable."

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.