Air
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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Check
Across:
1.
idientified highly received gas oxygen
3.
responsible for making clouds
5.
... cylinders are used for breathing purposes for a driver going deep into the sea
6.
movement of wind takes place in .... layer
7.
atmosphre is held in a place by earths ...
8.
.... respire using their skin
9.
during respiration carbondioxide is exhaled out of the body through..
10.
the atmosphere is made up of .... layers
Down:
2.
..... layer contain the ozone layer
4.
the ozone layer protects earth from the harmful.....rays
OK