Question: Q: What keeps the earth orbiting the sun? Choices: - variation - inertia - speed - gravity A:
Answer: gravity

Question: Q: Genes are used to make mrna by the process of transcription; mrna is used to synthesize proteins by the process of what? Choices: - production - moderation - modification - translation A:
Answer: translation

Question: Q: What cycle vital to plants includes a process called denitrification? Choices: - carbon cycle - sedimentation cycle - photosynthesis - nitrogen cycle A:
Answer:
nitrogen cycle