tyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
D. A condition that causes narrowing of the coronary arteries so blood flow to the heart muscle is reduced carotid arteries
Answer:
provide protection against pathogens
Explanation:
Answer:
She places one pot in a sunny window, one under normal classroom lights, and one in a dark room.
Explanation:
An independent variable is the only thing that changes in a proper experiment.