What is the ozone layer? The ozone layer is like a blanket that surrounds the
Earth. Ozone (03) is the main gas in this layer.
1) ... filters out the harmful rays of the sun
allowing only the good rays, which give us light and
heat, to reach the Earth.
EARTH
The problem
2)
the 1980s, scientists discovered a
large hole 3)
the ozone layer over
Antarctica. They found that some chemicals people used 4)
make
aerosol sprays destroyed the ozone layer very quickly.
The effects
If the hole in the ozone layer continues to grow, our planet 5)
be in
danger
. The temperature will rise and the sun's rays will become very harmful to
our skin and eyes. Animals 6)
plants will die and some species may
even become extinct.
The solution
Although a 7) of countries stopped using some of these harmful
chemicals in 1987, the ozone layer continues to be in danger. Scientists are trying
to find ways to help the ozone layer fix itself, 8)
there is still a lot of
