That would be archeologist.
The Study of Artifacts is called Archeology.
Answer:
The answer is D
Explanation:
Being in a valley results in air pollution being contained to an area.
He was a diff. color citizen and he made a speech after rosa parks (diff color) decided to refuse to give up her seat after a long day at work. So he made a " I have a dream" speech and later on he got assassinated in his house.
