Answer:
it increases oxygen levels and decrease carbon dioxide levels
Answer: C polluted water and soil can cause many deseases and side effect towards humans
Answer:
A. Carbon dioxide travels from the heart to the lungs in pulmonary arteries
Explanation:
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
Answer:
Maybe
Explanation:
nucleus;ribosome
because nucleus is cells control house and ribosome responsible for providing protein..