carries dissolved oxygen easily erodes sediments is made of natural gas can be recycled by nature over time
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Moving water in a river is considered a renewable resource because it
Possibilities:
- carries dissolved oxygen
- easily erodes sediments
- is made of natural gas
- can be recycled by nature over time

can be recycled by nature over time