Q: Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: An ejaculation occurs as the muscles around the prostate gland and the penis contract. Given the two facts above, what happens when muscles around the prostate gland contracts? | OPTIONS:
- preventing heat transfer
- The bending of a ray of light
- Generating heat
- Warm air moving into cold air
- Sperm leaves the epidiymes
- heat produced
- Release energy
- rapid expansion
A: Sperm leaves the epidiymes

Q: Fact 1: Acar engine usually converts gasoline into motion and heat through combustion. Fact 2: Energy pollution Cars operate mainly on gasoline, a fossil fuel. Given the two facts above, what part of the car needs a fossil fuel to run? | OPTIONS:
- Carburator
- burning
- driving
- Engine
- Transmission
- Exhaust
- coal
- fronts
A: Engine

Q: Fact 1: Soil is formed by weathering. Fact 2: Dirt is really misplaced soil. Given the two facts above, what on the Earth can be formed by weathering? | OPTIONS:
- plates
- coal
- crust
- cracks
- potash
- dirt
- roots
- rock
A: dirt

Q: Fact 1: Landfills have a negative impact on the environment. Fact 2: Garbage goes into Landfills. Given the two facts above, what has a negative impact on the environment? | OPTIONS:
- garbage
- disease
- life
- mines
- flooding
- water
- cigarettes
- science
A: garbage