Q: Fact 1: Animals can communicate with sounds, chemicals, or visual cues. Fact 2: Cows are social animals. Given the two facts above, what can communicate with sounds, chemicals or visual cues? | OPTIONS:
- cows
- bears
- sheep
- bacteria
- viruses
- humans
- Birds
- clouds
A: cows

Q: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: And, of course, burning of gasoline produces toxic carbon monoxide. Given the two facts above, toxic carbon monoxide is produced by what? | OPTIONS:
- gasoline engines
- Electric generators
- electric cars
- electricity
- solar panels
- cigarettes
- an engine
- ionization
A: gasoline engines

Q: Fact 1: If the amount of available food and water decreases in an environment then animals may leave that environment to find food and water. Fact 2: Where there is no water there is drought. Given the two facts above, what might cause animals to leave their environment? | OPTIONS:
- storms
- Drought
- Lack of predators
- flooding
- Adapting to that environment
- Plentiful food sources
- forces
- mines
A: Drought

Q: Fact 1: Meiosis is the type of cell division that produces gametes. Fact 2: Meiosis Prior to meiosis as in mitosis, chromosome duplication occurs. Given the two facts above, chromosome duplication occurs when cell division does what? | OPTIONS:
- produces sound
- produces gametes
- rapid expansion
- makes proteins
- permineralization
- checks dna
- Plant reproduction
- it can be seen
A: produces gametes