A. Most recent period of the Cenozoic era.
Answer:
the answer will be
measure the growth of plant that did not recieve fertilizer
perform additional trials
Explanation:
i just took the test and got the answer right
Answer:
a control
Explanation:
you need something to compare it to to see if anything happens
Answer:
As the saltier blood circulates through the body, it makes the fluid outside of our body cells saltier than the fluid inside the cells. The cells notice the change right away. That's because the extra salt outside acts like a magnet, pulling water out of the cells.
Explanation: