I believe it would be a verb phrase because it is stating the action
The correct answer is
“Sea mountains form a thriving ecosystem of underwater plants and animals, some of which have never been documented by scientists.”
A random sample is a subset of individuals that are randomly selected from a population of interest. Because researchers usually cannot obtain data from every single person in a group due to time, costs and other constraints, a smaller portion is randomly chosen to represent the entire group as a whole. The goal is to get a sample that is representative of the larger population.
<span>The central claim of Benjamin Banneker’s letter to
Thomas Jefferson is statement (c): It is hypocritical to state that „all men
are created equal“ in a country that permits slavery. Even though in the first
ten amendments of United State Constitution (Bill of Right,1791) is stated that
all men have personal freedom and rights, many African-Americans were still
slaves, which angered free African-American Benjamin Banneker to write a public letter
to Thomas Jefferson.</span>
I think it’s C sorry if it’s wrong. Hope i helped:)