What is one way that people add nitrogen compounds into the
environment?
*

burning fossil fuels

Explanation:

By burning fossil fuels the amount of nitrogen being into the atmosephere will increase the levels of natural nitrogen that is already in the atmosphere witch is a cause of global warming.

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.