Question: Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: Refrigerators are major users of electricity. Given the two facts above, what requires a lot of electricity?
OPTIONS:
- riding a bicycle
- An emergency lighting source.
- repair cells in the human body
- sleeping on the floor
- visiting a dam
- Something that take eight minutes to travel to the Earth
- Heating a metal filament.
- keeping food fresh for long periods of time
Answer: keeping food fresh for long periods of time

Question: Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Flower buds appear in the growing tip of the plant. Given the two facts above, where do female gametophytes produce eggs?
OPTIONS:
- peachleaf willow
- The bottom of plants
- Earth orbiting the Sun
- The middle of plants
- the environment
- underground
- The tips of plants
- plant reproduction
Answer: The tips of plants

Question: Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Species are the different kinds of organisms. Given the two facts above, harming a certain kind of animal will cause the population of that animal to do what?
OPTIONS:
- decrease
- eat more
- increase
- break off
- threatened
- reproduce
- reduce
- kill them
Answer:
decrease