Fact 1: Chemical weathering causes iron in rock to oxidize. Fact 2: Low rainfall means slow chemical weathering of rock. Given the two facts above, what can lead to oxidation of iron in rock?
OPTIONS:
- heat energy
- low rainfall
- flow of electrons
- permineralization
- fossil fuels
- harmful substances
- boiling
- evaporation

Answer: low rainfall

Question: Fact 1: Roundworms reproduce sexually. Fact 2: Nematodes are millimeter-sized roundworms. Given the two facts above, what reproduces sexually?
OPTIONS:
- Most plants
- nematodes
- planets
- bacteria
- insects
- the Sun
- ferns
- humans
Answer: nematodes

input with options: Fact 1: Fungi are the only organisms that can decompose wood. Fact 2: Wood products rapidly decompose and are biodegradable. Given the two facts above, what re the only organisms that can decompose biodegradable products?
OPTIONS:
- fungi
- pine
- fires
- plants
- trees
- viruses
- fungus
- spores
output: fungi

Q: Fact 1: The force of water against the seed coat causes a root to emerge from a seed. Fact 2: Water is made up of H2O molecules. Given the two facts above, what is forced against a seed coat causing the root to emerge?

OPTIONS:
- thorns
- H2O
- weathering
- rain
- CO2
- H20
- flow
- urea

A: H2O

input: OPTIONS:
- mass and density
- the looseness of soil
- retaining heat
- direct damage to the lungs
- systolic blood pressure
- major threat to health
- metabolic reaction
- Veins and arteries. Now, answer this question: Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Systolic blood pressure is the force of blood on the blood vessel walls when the heart contracts. Given the two facts above, constricting raises what?
A:
output: systolic blood pressure

Question: Fact 1: Having no natural predators increases population size. Fact 2: Any population has the potential to produce more offspring than the environment can support. Given the two facts above, having what increases the potential to produce more offspring than the environment can support?
OPTIONS:
- no natural habitat
- no natural prey
- competing for resources
- peachleaf willow
- no natural owners
- members of their own species
- animals with backbones
- no natural predators
Answer:
no natural predators