Fact 1: Wings are part of the exoskeleton and attached to the thorax. Fact 2: Spiracles are located on the abdomen and thorax. Given the two facts above, what shares a location with spiracles?

OPTIONS:
- wings
- pistons
- white
- bats
- animals
- insects
- pollen
- ovaries

Answer: wings

Fact 1: When an electrical circuit is working properly , electrical current runs through that circuit. Fact 2: An electrical current is the flow of electric charge. Given the two facts above, what flows in a circuit?

OPTIONS:
- rivers
- heat
- nerves
- energy
- waves
- cycles
- arteries
- charge

Answer: charge

Fact 1: Amold spore has a negative impact on the respiratory system. Fact 2: Molds and spores thrive in water-damaged furniture and carpets. Given the two facts above, what has a negative impact on the respiratory system?

OPTIONS:
- harmful substances
- water-damaged carpets
- a pathogens
- lungs
- density
- oxygen
- Something that causes allergies
- some viruses

Answer: water-damaged carpets

Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Chlorine is also used to treat water. Given the two facts above, what is also used to remove harmful substances from water before drinking?

OPTIONS:
- electricity
- pressure
- air
- bacteria
- a pathogens
- toxins
- Chlorine
- Cooking

Answer:
Chlorine