12 unit 3 reading

Choose the appropriate heading for the paragraph.

• a.Soot and global warming

• b.The effect of soot on human health

• c.The origin of soot

• d.Ways to reduce soot emissions

Choose the appropriate heading for the paragraph.

• a.Soot and global warming

• b.The effect of soot on human health

• c.The origin of soot

• d.Ways to reduce soot emissions

Choose the appropriate heading for the paragraph.

• a.Soot and global warming

• b.The effect of soot on human health

• c.The origin of soot

• d.Ways to reduce soot emissions

We know about carbon dioxide and its impact on global warming, but we ...................

Soot comes from the burning of coal, ..........................

Black carbon is the .......................... after carbon dioxide.

Soot particles can be easily breathed in because they are ..........................

People can reduce black carbon emissions at home by using .......................... for cooking and heating.

Choose the appropriate heading for the paragraph.

• a. Soot and global warming

• b. The effect of soot on human health

• c. The origin of soot

• d. Ways to reduce soot emissions