Answer: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.
Explanation:
Radiometric dating is a kind of technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed.
Answer:
1. interphase is the portion of the cell cycle that is not accompanied by gross changes under the microscope while phases is a distinct period or stage in a series of events or a process of change our development.
I think the correct answer would be A. The yolk sac becomes the placenta. It is membranous sac that is attached to the embryo. It provides all the nutrition and the blood cells needed by the embryo. It is also called the umbilical vesicle.
Answer:
I believe the answer is Temperature.
