Q: Q: Why are continents unable to be pushed down into the mantle by plate boundaries? Choices: - gravity - surface tension - density - buoyancy A:
A: buoyancy

Q: Q: There are two basic body plans in cnidarians which are called the polyp and what else? Choices: - hydra - spore - stoma - medusa A:
A: medusa

Q: Q: Four electron groups orient themselves into what shape that has four faces? Choices: - spherical - multicellular - circular - tetrahedron A:
A: tetrahedron

Q: Q: What does the heat energy affect in the atmosphere? Choices: - gravity and precipitation - erosion and condensation - density and humidity - winds and weather A:
A: winds and weather