An object weighs 980N on the earth’s surface (i) What is its mass? (ii) If the same object weighs 360N on another planet, find the force of gravity on that planet.

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 planet do you think would be easiest for humans to colonize some day?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.