Problem:OPTIONS:
- nutrients
- plutonium
- plants
- Energy
- Proteins
- cellulose
- cyanide
- plantations

Fact 1: Having food has a positive impact on an organism 's health. Fact 2: Animals eat plants for food. Given the two facts above, what do animals eat for a positive impact on their health?
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A: plants

Problem:OPTIONS:
- turns gelatinous
- evaporates
- colder weather
- Winter
- becomes solid
- Heat energy
- The atmosphere
- forms a bubble

Fact 1: Dew is formed when water vapor condenses over night. Fact 2: Dew begins to evaporate when the temperature reaches the dew point. Given the two facts above, when happens to condensed water vapor when it reaches certain points?
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A: evaporates

Problem:OPTIONS:
- p53
- AIDS
- host
- DDT
- lung
- HIV
- corn
- HPV

Fact 1: Populations of viruses do not grow through cell division because they are not cells. Fact 2: Where most viruses are DNA, HIV is an RNA virus. Given the two facts above, what does not grow through cell division?
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A: HIV

Problem:OPTIONS:
- a fish
- saliva
- mammals
- insects
- protist
- barnacles
- reptiles
- rabbit

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, what have complete digestive systems?
****
A:
reptiles