Problem:OPTIONS:
- hyperthyroidism
- increasing temperature
- heating liquids
- lowering temperature
- Dehydration
- keeping the temperature steady
- adding salt
- hypothyroidism

Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Ice is the solid form of water. Given the two facts above, what decreases the freezing point of ice?
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A: adding salt

Problem:OPTIONS:
- Lift
- wind
- mass
- height
- weight
- heat
- Cars
- force

Fact 1: Force causes the speed of an object to increase. Fact 2: Lets look at velocity or speed. Given the two facts above, what causes increased object velocity?
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A: force

Problem:OPTIONS:
- conductive tissue
- carbon dioxide
- Veins and arteries.
- It gets more light
- photosynthesis
- at or near the margins
- vascular tissue
- in the autumn season

Fact 1: Secondary meristem is located within and around the vascular tissues. Fact 2: Growth in girth is caused by other meristems, called secondary meristems. Given the two facts above, where in the plant does growth in width or girth originate?
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A: vascular tissue

Problem:OPTIONS:
- photons
- cold air
- electricity
- forces
- toxins
- sunlight
- heat energy
- sun's heat

Fact 1: Skin is used for protecting the body from harmful substances. Fact 2: Sunlight, however, is harmful to the skin. Given the two facts above, what does skin protect from?
****
A:
sunlight