Question: Two high school buddies, Dan and Bob, had very different lifestyles 30 years later. Dan made only healthy lifestyle choices, was vegan. Bob ate meat, cheese and didn't care about his health and didn't protect himself. Which man was exposed to a lower risk of cancer, Dan or Bob?
Answer: Dan

Question: Scientists studied two groups of plants. Group F had plants with flowers, group W had plants that fertilize over wind- spread pollen. Flowering plants were more efficient. Which group of plants didn't give the pollinators nectar?
Answer: group W

Question: Two friends studied different planets for their school project. Sean studied Earth's atmosphere, while Bill studied Venus's and Mercury's. Which friend studied more about clouds made of water vapor?
Answer:
Sean