because a cold is a virus and not a bacteria.
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.
The answer will be B. It is common sense
Answer:
Plants adapt to the environment by modifying their leaves, stem and roots.
Explanation:
First answer is , as the work of ventricle is to push blood to he whole body , so it has to be strong or it can not pump blood to head to the toe !
as in frog (an amphibian ) it has only three chambers as two artia and one ventricle, so the oxygenated blood from left artia and deoxygenated blood from right , combines and thus partial oxygenated blood is circulated !
