Question: Q: Terrestrial biomes are determined mainly by what? Choices: - population - landscape - element - climate A:
Answer: climate

Question: Q: A colloid is a homogeneous mixture with medium-sized what? Choices: - atoms - solutions - molecules - particles A:
Answer: particles

Question: Q: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy? Choices: - carbohydrates - hormones - calories - enzymes A:
Answer:
enzymes