1) What are Nitrogen oxides represented by? a) N2 b) Nx c) N3 d) N 2) What does acid rain react with, causing problems for people? a) Fish and Fruit b) Metals and Rocks c) Men and Women 3) What is the balanced symbol equation for sulfur dioxide? a) S+O2→SO2 b) S2+O2→(SO)2 c) Sulfur +Oxygen → Sulfur Dioxide d) SO2→S5-O 4) What causes the Greenhouse effect? a) Burning of fossil fuels b) Heat being trapped in the atmosphere by greenhouse gases c) The Wizard d) When the earth is put in a giant greenhouse

Global warming

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