Whoever completes this gets brainliest
thanks in advance

1. distance above sea level.  

2. Deep narrow valley with side steeps.

3. A line that separates the flow of a river

4. An area of land that is surround by higher land and may be drained by a river.

5. A narrow passage

6. The land deposited at the mouth of a river

7. The process by Which the soil is prepared and used to grow crops

Explanation:    

answer; ///i believe the correct answer to the above question is; ///(drainage basin;

all fossil fuels are nonrenewable, so think coal, gasoline, things that we will eventually run out of. all fossil fuels are nonrenewable resources, but not all nonrenewable recourses are fossil fuels. these resources are not being renewed as fast as we are using them. i hope this considering there weren't any answer choices.