Problem:OPTIONS:
- resistance activities
- fantasy football
- sitting down
- Relieve pain
- Something that is self-aware
- running for office
- animal behaviorists
- Riding a bike

Fact 1: Exercise increases a body 's strength. Fact 2: Strength is increased by resistance activities. Given the two facts above, which of the following are a type of exercise?
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A: resistance activities

Problem:OPTIONS:
- carbon dioxide
- sunlight
- calcite
- Calcium carbonate
- water
- ice
- peachleaf willow
- fossil fuels

Fact 1: Coal is used for generating heat by burning. Fact 2: Fossil fuels are coal, oil and natural gases. Given the two facts above, what is used for generating heat by burning?
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A: fossil fuels

Problem:OPTIONS:
- sun light
- Solar energy
- rain
- light
- calcite
- automobiles
- magma
- energy

Fact 1: Absorbing energy causes objects to heat. Fact 2: Sunlight shines through the atmosphere and is absorbed by the Earth's surface. Given the two facts above, what heats most of the Earth's surface during the day?
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A: sun light

Problem:OPTIONS:
- bacteria
- annelids
- sharks
- Exfoliation
- bioaerosols
- plankton
- evaporation
- sunlight

Fact 1: Annelids are worms such as the familiar earthworm. Fact 2: Earthworms are invaluble for soil health. Given the two facts above, what are invaluable for soil health?
****
A:
annelids