Nitrogen is compressed to a density of 4 kg/m3 under an ab- solute pressure of 400 kPa. Determine the temperature in degrees

Celsius.​

Use the data provided to calculate the gravitational potential energy of each cylinder mass. round your answers to the nearest tenth. 3 kg: kj 6 kg: kj 9 kg: kj

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.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane