People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

mine is hell,we all hate each other,we fight but me and my mom,dad,and siblings get along.

1. c. zone of saturation, water table, zone of aeration

2. c. condensation

3. b.   conservation and condensation

4. c. groundwater dips below the water table in an artesian well

5. d. oceans

6. c. geyser

7. d. groundwater

8. b. 70%

9. d. transpiration

10. c.   desalination

the relationship between friendship and dreams are that if you dream to be in a friendship with the person you dreamed of it might happen just keep dreaming.