Fact 1: Skin is used for protecting the body from harmful substances. Fact 2: Natural toxins can be harmful too. Given the two facts above, what organ in the body can protect you from toxins?
OPTIONS:
- cells
- gills
- HIV
- skin
- immune
- rabies
- lungs
- Herpes
skin
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Fact 1: Exercise has a positive impact on a human 's health. Fact 2: Prevention is key to their health, longevity, and reproduction. Given the two facts above, human longevity and reproduction are positively impacted by:?
OPTIONS:
- aging
- food
- nutrients
- gene flow
- old age
- exercise
- dying young
- reduced heat
exercise
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Fact 1: All plants have a characteristic life cycle that includes alternation of generations. Fact 2: Descendant includes descendants of all generations. Given the two facts above, all of what have a characteristic life cycle that includes alternation of descendants?
OPTIONS:
- Conifers
- flowers
- apples
- plants
- amoeba
- Trees
- Oak
- Spruce
plants
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Fact 1: Increasing heat causes thermal expansion. Fact 2: Gaskets and thermal expansion increase the misalignment problem. Given the two facts above, misalignment problems in gaskets can be increased by:?
OPTIONS:
- mechanic
- storms
- wind
- replacement
- force
- heat
- sweat
- cracks
heat
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