Q: The sun's gravity is relatively strong because the force of gravity between two objects is directly proportional to their what? Choices: - tissues - Liquids - rocks - masses A:
masses

Q: How many different kinds of ions are produced when sodium chloride dissociates ? Choices: - five - one - three - two A:
two

Q: Dietary proteins are broken down into what components when food is digested? Choices: - organic acids - protein acids - polymer acids - amino acids A:
amino acids

Q: Mineral crystals that form when magma cools are usually _______ than crystals that form when lava cools. Choices: - older - denser - smaller - larger A:
larger