Q: What slow process is required for formation of soil? A:
OPTIONS:
- leaching
- digestion
- fossilization
- weathering

Answer: weathering

Question: Q: All living things need air and this to survive? A:
OPTIONS:
- stimuli
- habitat
- ecosystem
- water
Answer: water

input with options: Q: What is a winding ridge of sand deposited by a stream of meltwater called? A:
OPTIONS:
- sand dune
- desert
- oasis
- esker
output: esker

Q: Q: Inorganic chemistry refers to the study of materials *not* containing which element? A:

OPTIONS:
- hydrogen
- helium
- oxygen
- carbon

A: carbon

input: OPTIONS:
- limbic system
- endoderm
- mitochondria
- notochord Now, answer this question: Q: A major step in animal evolution was the evolution of what rigid rod that runs the length of the body? A:
A:
output: notochord

Question: Q: The mass of the objects and the distance between them affect the strength of what universal force? A:
OPTIONS:
- states of matter
- weight
- motion
- gravity
Answer:
gravity