Which of the following accurately describes nutrient limitation?
a. if one essential nutrient within an ecosystem runs out, primary productivity will be limited.
b. limiting nutrients are the nutrients whose supply is in excess.
c. nitrogen is typically the limiting nutrient in freshwater environments.
d. soil environments aren't affected by nutrient limitation.
the answer isn't c got it wrong on the test

Moving down the ramp from 6 meters to

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

What organs comprise the respiratory system of a bird