Question: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: For every one gallon of gasoline an engine burns, one gallon of water is produced as a by-product. Given the two facts above, what is NOT a byproduct of using a gasoline engine?
OPTIONS:
- chickenpox
- carbon dioxide
- carcinogens
- Collagen
- water
- warmth
- loose dirt
- uranium
Answer: uranium

Question: Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: Greenhouses are made with glass , fiberglass , polyethylene, or vinyl coverings. Given the two facts above, what protects plants from the cold?
OPTIONS:
- Something made of fruit or vegetables
- series of enzyme-mediated reactions
- Something made of glass, fiberglass, polyethylene, or vinyl
- Something whose growth is discouraged by heavy wet soils
- keeping food fresh for long periods of time
- Something made of brick
- Something made of metal
- gas layer that surrounds earth
Answer: Something made of glass, fiberglass, polyethylene, or vinyl

Question: Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Ovum, or eggs, are stored in the ovaries. Given the two facts above, female gametophytes produce eggs inside what part of flowers?
OPTIONS:
- Petal.
- an area swollen with pus
- allow growth
- at or near the margins
- Produce department.
- Chlorophyll
- Chicken.
- Where ovum, are stored
Answer:
Where ovum, are stored