Question:
Use evidence from the fact that recyclable means a material can be recycled to answer the following question. "Recycling which of the following has a positive impact on the environment?"

Answer:
acquired earth materials

Question:
Use evidence from the fact that a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone to answer the following question. "Carbonic acid dissolves what to form caverns?"

Answer:
sediment

Question:
Use evidence from the fact that minerals are formed from magma cooling to answer the following question. "You are hiking up the side of an inactive volcano, what are you most likely to find?"

Answer:
Minerals