Problem:OPTIONS:
- burrs
- food
- keratin
- caviar
- A virus
- fish
- eggs
- lipids

Fact 1: If seeds stick to the fur of an animal then that seed will be transported by the animal. Fact 2: Burrs and some other seeds have tiny barbs that hook on to cat fur. Given the two facts above, what is transported by sticking to the fur of an animal?
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A: burrs

Problem:OPTIONS:
- animals
- viruses
- insects
- humans
- females
- males
- plants
- estrogens

Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Androgens are male sex hormones. Given the two facts above, androgens control sexual development and reproduction in who?
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A: males

Problem:OPTIONS:
- space
- hospitals
- waves
- direct energy
- energy
- Light
- condensation
- clouds

Fact 1: Electricity sometimes is used for heating buildings. Fact 2: Hospitals incorporate most types of technical systems encountered in other types of buildings. Given the two facts above, what is electricity sometimes used to heat?
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A: hospitals

Problem:OPTIONS:
- rest
- life
- dry
- windy
- wet
- H20
- cold
- good

Fact 1: High pressure systems cause clear weather. Fact 2: High pressure usually indicates the weather is fair and dry. Given the two facts above, clear weather leads to what conditions?
****
A:
dry