Me, i’m doing test corrections to bring up my grade but i’m not sure which answer

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate