A 15-g block of aluminum has a volume of 5.5 cm. what is the density

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

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.

What are igneous intrusions and extrusions