Используя слова составьте предложения. Выполните в ключах. ozone layer
blanket
surround
gas
harmful
ray
chemical
extinct
1The ozone ………is a layer of gas that protects us from the
harmful rays of the sun.2 In the 1980s, scientists found a
hole in it. 3They found out that ……..caused the hole. 4The hole means that more of the sun’s ……….. rays get
through the atmosphere. 5 People are in danger as the sun’s
……… will damage our skin and eyes and animals and plants
will die. 6 Scientists are trying to find ways to help the ……… fix itself.
itself.