Answer:
Aristotle
Explanation:
Aristotle was the first person to study the embryos of different species.
A metallurgical microscope
The negative feelings associated with adolescence are mostly associated with psychosocial influences.
<h3>What are Psychosocial factors?</h3>
These factors depicts how the environment influences the physical and mental well being of the individual.
Adolescents are easily influenced by peer pressure which is a part of their immediate environment thereby making it the most appropriate choice.
Read more about Psychosocial factors here brainly.com/question/3951300
#SPJ1
To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. Thus option D is correct.
<h3>What is hypothesis testing?</h3>
In statistics, hypothesis testing is a method for determining if survey or experiment results are relevant.
To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. this experiment is to be done in order to best test this hypothesis.
Learn more about hypothesis testing here:
brainly.com/question/1506480
#SPJ1