input: OPTIONS:
- p53
- HPV
- CO2
- wolf population
- light level
- pH
- sea level
- dam Now, answer this question: Fact 1: Air pollution can cause the pH of soil to decrease. Fact 2: Some soils are more sensitive than others to the acid dropped by air pollution. Given the two facts above, some soils are more sensitive than others to a lowered what?
A:
output: pH

Fact 1: Corals form large colonies in shallow tropical water. Fact 2: Corals Corals are in the polyp stage. Given the two facts above, something in the polyp stage can form large colonies in shallow tropical what?

OPTIONS:
- mountains
- ice
- porous
- CO 2
- complex
- colonies
- wetland
- water

Answer: water

Problem: OPTIONS:
- soil
- ice
- waves
- LEDs
- motors
- coal
- silt
- copper
Q: Fact 1: Electrical current running through a wire causes that wire to heat up. Fact 2: Raw coal can be burned to produce electricity. Given the two facts above, what can cause a wire to heat up?
Answer: coal

Problem:OPTIONS:
- Earth orbiting the Sun
- parasites
- release of spores
- graptolites
- gastropod shells
- honeybees
- barnacles
- They may not survive.

Fact 1: Fungi spores can develop into new haploid individuals without being fertilized. Fact 2: Fungi reproduce largely by the release of spores. Given the two facts above, what during reproduction develop into new haploid individuals without being fertilized?
****
A: release of spores

Fact 1: Vesicle transport requires energy, so it is also a form of active transport. Fact 2: Active transport requires a carrier molecule and a form of energy. Given the two facts above, vesicle transport requires energy and a what?
OPTIONS:
- activity
- major threat to health
- metabolic reaction
- hydration
- biofuel
- wavelengths and photons
- carrier molecule
- Vibrations.
carrier molecule

Fact 1: Apesticide is used for protecting plants by killing insects. Fact 2: Small animals are harmed by pesticides. Given the two facts above, products that harm small animals can also protect what?
OPTIONS:
- the skin
- food
- insects
- large animals
- plants
- consumers
- boulders
- organisms

Answer:
plants