What are two similarities between a solid and a liquid? what are two similarities between a gas and a solid? (two answers for both parts)

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Apossible explanation for a set of facts that can be tested by further investigation is called

What are atoms of the same element with varying number of neutrons