You are not sure what you need to do to complete an assignment in your course. Who should you contact? a. Your program advisor.
b. A career counselor.
c. The faculty member for that course.
d. Your enrollment counselor.
e. Your academic coach.

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.