Q: Fact: sediment is formed by weathering
Question: The layer of material on the bottom of the Snake River was put there by what?

A: weather related degradation

Q: Fact: if an object reflects light toward the eye then that object can be seen
Question: An object can be seen if it reflects light toward what?

A: visual organ

Q: Fact: if something is a raw material in a process then that something is required for that process
Question: A person needs to use a raw material to cool an engine, so they might use

A: H2O in a jug

Q: Fact: if something is a raw material in a process then that something is required for that process
Question: The process of building a log cabin for a dream getaway deep in the mountains near an idyllic stream requires

A:
wood beams