What is the black hills institute

According to google,

Black Hills Institute of Geological Research

Corporation

Description: The Black Hills Institute of Geological Research, Inc. is a private corporation specializing in the excavation and preparation of fossils, as well as the sale of both original fossil material and museum-quality replicas. Wikipedia

Explanation:

Hope this helps

Explanation:

Black Hills institute is a private corporation specializing in the excavation and preparation of fossils, as well as the sale of both original fossil material and museum-quality replicas.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

c. heat from the poles back down towards the equator.