Question: Answer the following question given this paragraph: Mutualism is a symbiotic relationship in which both species benefit. Q: Mutualism is a symbiotic relationship that has what effect on both species involved? Choices: - disadvantageous - harmful - destructive - beneficial A:
Answer: beneficial

Question: Answer the following question given this paragraph: Core electrons are the electrons that are closer to the nucleus and therefore do not participate in bonding. Q: What is the name for electrons closer to the nucleus that do not participate in bonding? Choices: - surface electrons - radical electrons - odd electrons - core electrons A:
Answer: core electrons

Question: Answer the following question given this paragraph: Cratonic rocks contain rounded sedimentary grains. Rounded grains indicate that the minerals eroded from an earlier rock. It also means that rivers or seas existed. Q: Rounded grains indicate that the minerals eroded from what? Choices: - iron - fossils - recent rock - earlier rock A:
Answer:
earlier rock