State 3 properties of air
try your best doesn't have to be all of them

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.

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?