Answer:
The zygote divides to form a blastocyst and.
Explanation: I do not want to say...
The answer is b that what happens
I think it is the north Atlantic current . hope this helps.<span />
The answer is A because the heart pumps blood from the heart through pulmonary artery that is low in oxygen and high in carbon dioxide concentration, to the lungs.
2: I think you should go with two because it makes the most sense out of all of those answers. But if not 2, I would go with 4.
