AIR POLLUTION
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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2
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5
Check
Across:
1.
Causes acid rain
3.
Discolours teeth
5.
Reduces the transport of oxygen to body cells
Down:
2.
Absorbs most of the ultraviolet rays from the sun
4.
Destroy the ozone layer in the Earth's atmosphere
OK