Fact 1: Pesticides can cause pollution. Fact 2: Environmental pollution leads to more ill-health. Given the two facts above, what can cause illness?

OPTIONS:
- influenza
- toxins
- pesticides
- viruses
- fresh air
- hypothyroidism
- improper pants
- bad language

Answer: pesticides

Fact 1: Animals may compete for territory, water, food, or mates. Fact 2: Alligators are cold-blooded animals. Given the two facts above, what may compete for territory, water, food, or mates"?

OPTIONS:
- the environment
- people
- rocks
- bacteria
- humans
- alligators
- parasites
- plants

Answer: alligators

Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller. Fact 2: Population size is the predictor of extinction probability. Given the two facts above, bottleneck effect can be a precursor to what?

OPTIONS:
- massive damage
- Climate change
- Destroy bridges
- Cambrian explosion
- ground to shake
- clams
- soda
- extinction

Answer: extinction

Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Fireworks are illegal, including firecrackers. Given the two facts above, what converts chemical energy into sound?

OPTIONS:
- a firework
- sensory neurons
- Gunshots
- a bottle
- a battery
- animals
- a flashlight
- engines

Answer:
a firework