How does removing trees affect nitrogen cycling in a forest ecosystem? a. after clearcutting, more soil nitrogen was exported via runoff, ultimately accumulating in the lake. b. after clearcutting, plant uptake stopped and nitrogen accumulated in the soil. c. after clearcutting, plant uptake stopped but denitrification increased, limiting the flow of nitrogen from the soil to the lake. d. clearcutting does not appear to affect nitrogen cycling; only acid rain does.

Which must be kept in mind when determining if an explanation is correct? check all that apply. which must be kept in mind when determining if an explanation is correct? check all that apply.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes