Fact 1: Cutting down trees has a negative impact on an ecosystem. Fact 2: If trees are cut or burned, the carbon is released back into the atmosphere. Given the two facts above, releasing what can have a negative impact on an ecosystem?
OPTIONS:
- disease
- viruses
- A virus
- Carbon
- tar
- toxins
- herbicide
- vehicles
Carbon

Fact 1: Yeast reproduce asexually by budding. Fact 2: Yeasts reproduce by forming spores or by budding. Given the two facts above, what reproduces asexually by doing forming spores?
OPTIONS:
- starfish
- frogs
- plants
- ferns
- Yeast
- fungi
- legumes
- embryos

Answer: Yeast

Question: Fact 1: Playing is one way mammals and other animals learn how to behave. Fact 2: Involvement in play takes time and energy. Given the two facts above, what is one way animals learn to behave?
OPTIONS:
- garbage
- Generating heat
- Space travel
- running and lifting
- Time and energy
- exercise
- money
- Riding a bike
Answer: Time and energy

input with options: Fact 1: Playing is one way mammals and other animals learn how to behave. Fact 2: Exercise is fun if it is also play. Given the two facts above, what can teach animals how to behave?
OPTIONS:
- adding heat
- humans
- fossil fuels
- A computer
- nerves
- people
- irradiation
- exercise
output: exercise

Q: Fact 1: Aggression is behavior that is intended to cause harm or pain. Fact 2: Most definitions of aggression include behaviors that are intended to hurt or harm others. Given the two facts above, what behavior causes people to hurt others?

OPTIONS:
- ambitious
- Damages them
- aggression
- complex
- loving
- insects
- smoking
- curious

A: aggression

Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Limestone caves are formed when acids attack and dissolve the calcite in limestone. Given the two facts above, what are caverns formed from?
OPTIONS:
- storing water
- streams
- fossil fuels
- limestone
- streams.
- Rocks
- crust
- mines
limestone