How many amino acids must be obtained in the diet because they cannot be made by the body?

essential amino acids are amino acids that can not be made by the body and only obtained in diet

Explanation:

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

check for the pregnancy rating of drug. if its class c or d see if other alternatives