Question: Q: What happens if a catalyst runs out? Choices: - variety slows - variety increases - reaction increases - reaction slows A:
Answer: reaction slows

Question: Q: In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose? Choices: - speed - long lifespan - mating - flight A:
Answer: flight

Question: Q: Temperature and pressure affect changes in phases or states of what? Choices: - homeostasis - decay - energy - matter A:
Answer:
matter