On the cellular level, why is it necessary for us to eat food? a
Our intestines empty
b
Our cells need glucose
c
Our stomachs get hungry
d
Our cells need oxygen

b

Explanation:

Our cells need glucose to function, which is gained from the nutrients in the food. Oxygen is gained from breathing, so it has nothing to do with food.

The answer is B. Our cell needs glucose to function

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.

and your question what topic are you in trouble with?