Fact 1: Zooplankton are tiny animals that feed on phytoplankton. Fact 2: Planktonic plants are called phytoplankton. Given the two facts above, what feed on plant plankton?

OPTIONS:
- passenger pigeons
- parasites
- sunlight
- animal plankton
- ice
- horses
- absorb light energy
- honeybees

Answer: animal plankton

Problem: OPTIONS:
- Birds
- trees
- rainbows
- sound
- alleles
- bows
- nerves
- dolls
Q: Fact 1: Behaviors can be learned through play. Fact 2: Girls have played with dolls for generations. Given the two facts above, girls have used what to learn behaviors for generations?
Answer: dolls

Problem:OPTIONS:
- paper
- energy
- tube
- copper
- a prism
- photons
- leather
- light

Fact 1: Wiring requires an electrical conductor. Fact 2: Metals, such as copper wire, are good conductors for carrying electric current. Given the two facts above, what can be used in wiring as a conductor?
****
A: copper

Fact 1: Viruses are not cells. Fact 2: Tissues are made of cells. Given the two facts above, viruses are not what?
OPTIONS:
- tissue
- protected
- expelled
- disease
- humans
- A drug.
- parasites
- dangerous
tissue

Fact 1: The gravitational pull of the Moon on Earth 's oceans causes the tides. Fact 2: Tides A tide is vertical movement of water. Given the two facts above, the moon's gravitational pull on Earth 's oceans causes the vertical movement of what?
OPTIONS:
- oceans
- rivers
- matter
- waves
- deserts
- asteroids
- the sun
- water

Answer: water

input with options: Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Fuel cells are devices that directly convert hydrogen into electricity. Given the two facts above, what do microbial fuel cells transform hydrogen into?
OPTIONS:
- Renewable energy
- Electrical energy
- kinetic energy
- electromagnetic energy
- an engine
- transportation technology
- Solar energy
- Oil
output:
Electrical energy