how are most antibiotics used in the US?​ A. To treat human disease B. To keep food-producing farm animals healthy C. To treat domestic pets D. To cure diseases in food-producing animals​

your answer wil be a.

Explanation:

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.