Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

تمرين 19

Search for Nitrogen Cycle and look for information on how humans are affecting the nitrogen cycle. Specifically, look for impacts on the atmosphere and on human health from emissions of nitrogen oxides, and look for the harmful ecological effects of the runoff of nitrate fertilizers into rivers and lakes. Make a list of these impacts and use this information to review your daily activities. Find three things that you do regularly that contribute to these impacts.