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HUMAN IMPACT CROSSWORD PUZZLE

Alexis Weinberg
5/4/17
Poff/Rattlers
Across
Increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem
Artificial body of water that usually forms behind a dam
Single, identifiable pollution source
Process by which human activities or climatic changes make areas more desert like
Heat trapping process in which heat becomes trapped in cloud layers and cannot escape into space
Tiny particle or droplet, such as dirt, dust, or pollen that are mixed with the air
Measure of the cloudiness of water that is caused by suspended solids
Nonrenewable energy resource that began to form millions of years ago from remains of once -living organisms; provides energy and includes coal, oil, and natural gas
Contamination of the atmosphere by the introduction of pollutants from human and natural sources
Controlled use and/or maintenance of natural resources; the wise use and preservation of natural resources
Down
Symbol for the acidity or alkalinity of a solution
Natural resource that humans use to generate energy
Suitable for drinking
Combination of smoke and fog; air pollution that forms when ozone and vehicle exhaust react with sunlight
Growth of urban areas caused by people moving into cities
Process of recovering valuable or useful materials from waste or scrap
Removal of trees and other vegetation from an area
Temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life
Behavior that leads to the protection, conservation, and reclamation of natural resources
Measure of pollutants in the air that is used to express how clean or polluted the air is