The correct option is this: SHE SHOULD TRY THE EXPERIMENT WITH A POTTED PLANT WITH ROOTS AND OBSERVE ANY COLOR CHANGE.
After the formulation of hypothesis, the next thing to do is to carry out an experiment which is designed to test out the observation that was made. The next thing for Maria to do is to carry out an experiment to confirm her hypothesis.
Answer:
I think it's mitochondrion.
Explanation:
nuclei/ nucleus - store genetic information;
mitochondria- produce chemical energy; the cell's powerhouse
ribosomes- assemble proteins
cell membrane controls what goes in and out of a cell
The answer is c (I think)
The endocrine system "regulates" the reproductive system.
Answer: Water. The pH level is 7.
Explanation: The scale has values ranging from zero (the most acidic) to 14 (the most basic). As you can see from the pH scale above, pure water has a pH value of 7. This value is considered neutral—neither acidic or basic.