Answer:
physical change should be the answer
Explanation:
Phytoanticipins are defined as defense compounds which are constitutively present, i.e., regardless of the presence of pests or diseases.
Because bacteria can be good for the environment
A cell membrane protects a cell from it's surroundings. The cell membrane controls the movement of substances from the outside and inside of cells and organelles.
Your answer is c for #3, hope i helped!