Q: Fact 1: Hydropower requires damming a river. Fact 2: Another source of energy is hydropower. Given the two facts above, what is a source of energy?

OPTIONS:
- fossil fuels
- cooking
- damming a river
- sleeping
- napping
- Electrical energy
- our nearest star
- sunlight

A: damming a river

Q: Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: Most reptiles, are considered to be tetrapods, or 4 legged animals. Given the two facts above, what are a class of 4 legged animals that produce amniotic eggs?

OPTIONS:
- parasites
- allow growth
- feet
- Reptiles
- to stay warm
- warm-blooded
- insects
- fertile

A: Reptiles

Q: Fact 1: Vertebrate chordates have a backbone. Fact 2: Strength correlates with our spinal cord and our nerves, our backbone. Given the two facts above, what do vertebrate chordates have?

OPTIONS:
- aerobic capacity
- primitive structures
- a spinal cord and nerves
- invertebrate structures
- Veins and arteries.
- cell walls
- characteristics
- principals of aerodynamics

A: a spinal cord and nerves

Q: Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Fact 2: Ethanol depresses neuronal excitability. Given the two facts above, what effect does alcoholic fermentation of the glucose in corn or other plants have?

OPTIONS:
- kills people
- depress neuronal excitability
- it helps plants in growing
- negative impact
- corn on the cob
- changes density
- Generating heat
- Plant growth is reduced

A:
depress neuronal excitability