Problem:OPTIONS:
- a hormone
- bioaerosols
- Energy.
- Energy
- Leptospirosis
- a doorbell
- seeds
- Chlorophyll

Fact 1: Testosterone stimulates the reproductive organs to develop into male organs. Fact 2: For men, however, the hormone in question is testosterone. Given the two facts above, what stimulates the reproductive organs to develop into male organs?
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A: a hormone

Problem:OPTIONS:
- cows
- tortoises
- density
- animals
- humans
- bananas
- goats
- stomach

Fact 1: Many consumers feed at more than one trophic level. Fact 2: Humans are consumers in food webs. Given the two facts above, what feed at more than one trophic level?
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A: humans

Problem:OPTIONS:
- erosion
- rivers
- a hammer
- heat
- wind
- water pump
- c-clamp
- screwdriver

Fact 1: Breaking apart rocks can cause debris. Fact 2: Sledge hammers can be used to break especially hard ledges of rock. Given the two facts above, what can be used to make debris?
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A: a hammer

Problem:OPTIONS:
- Joules
- Decibels
- It decreases
- protein walls
- skin tags
- forces
- vessel walls
- cell walls

Fact 1: Blood pressure is highest in arteries and lowest in veins. Fact 2: What is Blood Pressure Blood pressure is the pressure on the blood vessel walls. Given the two facts above, pressure in what is highest in arteries and lowest in veins?
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A:
vessel walls