Problem: OPTIONS:
- Solid bedrock
- rivers
- mines
- Drought
- Rain
- Evaporation
- coal
- storms
Q: Fact 1: Sinkholes are formed by precipitation. Fact 2: Rain is also known as precipitation. Given the two facts above, what can cause sinkholes?
Answer: Rain
Problem: OPTIONS:
- shrub beds
- ovaries
- ferns
- barnacles
- fertile
- bushes
- trees
- plants
Q: Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Angiosperm gametophytes are in the flower. Given the two facts above, where are gametophytes?
Answer: ovaries
Problem: OPTIONS:
- polluted rain
- disease
- humidity
- thunderstorms
- snow
- contamination
- Temperature
- harmful substances
Q: Fact 1: Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain. Fact 2: Acid rain comes from polluted clouds. Given the two facts above, gases from burning coal and and oil dissolving in the atmosphere can cause what?
Answer:
polluted rain