Q: Fact 1: Coal is used to produce electricity by burning in coal-fire power stations. Fact 2: Fossil fuels are coal, oil and natural gases. Given the two facts above, what are burned to produce electricity? | OPTIONS:
- fossil fuels
- organic molecules
- kinetic energy
- icicles
- cigarettes
- energy
- glaciers
- carbon dioxide
A: fossil fuels

Q: Fact 1: Some parasites kill their host, but most do not. Fact 2: Parasites include lungworms and GI parasites. Given the two facts above, what can kill their host? | OPTIONS:
- cigarettes
- bacteria
- adding heat
- heat or cold
- burning
- Dehydration
- lungworms
- Pollution
A: lungworms

Q: Fact 1: Ants communicate with chemicals called pheromones. Fact 2: Ants communicate with the colony in the form of what is called pheremon trails. Given the two facts above, what do ants use to communicate? | OPTIONS:
- trails
- sound
- nerves
- waves
- Decibels
- motors
- chemicals
- Energy
A: trails

Q: Fact 1: Animals adapt to cold temperatures. Fact 2: Cows are social animals. Given the two facts above, what adapts to cold temperatures? | OPTIONS:
- sheep
- bears
- koalas
- hot chocolate
- hot springs
- cows
- humans
- tropical plants
A: cows