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U7 L2 VOCABULARY

Homework: Connor Tripp
Across
I am a harmful change to the environment.What am I?
I am the addition of warm water into a stream or lake that is normally cold.What am I?
I am the measure determined by comparing the costs and the consequences of different ways of doing something.What am I?
I am a type of pollution that can form over urban or industrial areas.What am I?
Down
I am the cash value of energy use.What am I?
I am the environmental consequences of energy use.What am I?
I am what can occur when acid,formed from sulfur and nitrogen gases combining with water vapor in the air,falls back to the earth as rain.What am I?