Explanation:
During implantation, the trophoblast differentiates into two distinct layers: the inner cytotrophoblast, and the outer syncytiotrophoblast.
Answer:
C
Explanation:
Unrealistic means not realistic, or that it probably won't happen. If you set unrealistic goals, you will get discouraged and stop doing it because you probably won't be able to.
Answer:
A fallacy is a mistaken belief, or a failure in the logic of an argument.
Aerobic exercise like running, jogging, swimming and walking because all of these get your heart rate up.
