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

만든이
인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?