input: OPTIONS:
- increased habitat
- acid rain
- humans
- Winter
- increased food
- storms
- increased resources
- Toxicity Now, answer this question: Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller. Fact 2: Fishing pressure is relatively low due to a smaller human population. Given the two facts above, what can make the bottleneck effect occur in fish?
A:
output: humans

Fact 1: When a cooler object touches a warmer object , thermal conduction occurs. Fact 2: Thermal conductivity also increases with compaction. Given the two facts above, conduction is increased with what?

OPTIONS:
- Time and energy
- compaction
- blood
- evaporation
- voltage
- heat energy
- motion
- sweating

Answer: compaction

Problem: OPTIONS:
- brain
- fat
- hair
- power
- oxygen
- lungs
- nectar
- skin
Q: Fact 1: Amphibians have permeable skin that easily absorbs substances from the environment. Fact 2: Amphibian skin lacks hair or scales. Given the two facts above, what do amphibians lack?
Answer: hair

Problem:OPTIONS:
- graptolites
- some invertebrates
- remains of prehistoric life
- humans
- insects
- gastropod shells
- barnacles
- all invertebrates

Fact 1: Many corals secrete an exoskeleton that builds up to become a coral reef. Fact 2: Corals, and invertebrates in general, are delicate creatures. Given the two facts above, what can secrete an exoskeleton that builds up to become a reef?
****
A: some invertebrates

Fact 1: Increasing heat causes thermal expansion. Fact 2: Fire puts off heat. Given the two facts above, what causes thermal expansion?
OPTIONS:
- fear
- cold
- coal
- energy
- Sun
- fire
- ice
- wind
fire

Fact 1: Vinegar can cause harm to the eyes. Fact 2: Throughout vinegar application, wear protective eye shields. Given the two facts above, how can you avoid harming your eyes?
OPTIONS:
- evaporation
- focusing a lens
- exercise
- by indirect light
- protect them
- Wearing a shield
- sweating
- electromagnetic energy

Answer:
Wearing a shield