Q: Where does most of the earth's energy come from? Choices: - magnetic field - its core - its atmosphere - sun A:
sun

Q: What do you call the diffusion of solutes through transport proteins in the plasma membrane? Choices: - necessitated diffusion - exposed diffusion - Osmosis - facilitated diffusion A:
facilitated diffusion

Q: Within a bud, what is spaced close together because the internodes are very short? Choices: - chordae - roots - stems - leaves A:
leaves

Q: What kind of charge does a neutron have? Choices: - positive - negative - static - neutral A:
neutral