More cards in this set

Card 6

Front

how can we reduce global warming?

Back

Preview of the front of card 6

Card 7

Front

how is sulfur dioxide produced?

Back

Preview of the front of card 7

Card 8

Front

how is nitrogen oxide produced?

Back

Preview of the front of card 8

Card 9

Front

how can sulfur dioxide and nitrogen oxides be harmful?

Back

Preview of the front of card 9

Card 10

Front

gas produced from burning fossil fuels is carbon dioxide. how can this cause harm?

Back

Preview of the front of card 10