Through Polymerization larger molecules are formed.
Theory because a theory has to be backed up by several experiments
Answer:
a layer or a series of layers of rock in the ground. ,
a level or class to which people are assigned according to their social status, education, or income.
Explanation:
D. It's harder body parts. A lot of fossils are of the skull, therefore that would lead one to think that it would be harder<span />
The first step in the formation of the human embrayo and it is called fertilization.
<h3>What is fertilization?</h3>
The first step in the formation of a human embrayo is called fertilization. The term fertilization has to do with fusion of the male and female gametes to form a zygote.
Hence, the diagram as shown is the first step in the formation of the human embrayo and it is called fertilization.
Learn more about fertilization: brainly.com/question/17991559
