Question:
Use evidence from the fact that classifying means grouping materials by their properties to answer the following question. "As I search among classifications, its groupings of materials, and properties, I may be looking for"

Answer:
vitamins

Question:
Use evidence from the fact that if a tree falls then that tree is dead to answer the following question. "A tree is dead"

Answer:
when a beaver uses it to a stop up a flowing river

Question:
Use evidence from the fact that the slope of the land causes a river to flow in a particular direction to answer the following question. "If a river is rushing southwest on a sunny day, then it is safe to assume that"

Answer:
the land gently inclines in that direction