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A
Match the words and there definitions
1. global warming
2. the ozone layer
З. climate change
4. the greenhouse effect
5. ecology
6. the environment
7. the food chain
8. habitat
9. rainforest
10. deforestation
11. endangered species
a the air, water and land where people, animals and plants live
b the way in which plants and animals and natural features of a place affect and depend on each other
с the natural home of a plant or animal
d the natural system in which, for example, an insect eats a plant, a bird eats the insect, an animal eats the bird, etc. with the result that all these different forms of life depend on each other
e general increase in the temperature of the world, caused by pollution from cars, factories, etc.
f changes in the weather around the world, which result in much higher or lower temperatures, violent storms, floods, etc.
g the gradual warming of the Earth caused by pollution that stops heat from leaving the Earth's atmosphere
h a layer of natural gases around the Earth. The ozone layer protects the Earth from the harmful effects of the sun, but pollution is causing a hole in it
i a tropical forest with tall trees growing very close together, in an area where it rains a lot. It is very important for the balance of the Earth's ecology
j a situation, in which most of the trees in an area are cut down or destroyed, resulting in great damage to the environment
k a type of plant or animal that is likely to stop existing completely, for example because of hunting or pollution
В
Match the words and there definitions
1 extinct
2 pollution
3 greenhouse gases
4 fumes
5 acid rain
6 toxic waste
7 pesticides
8 GM
9 fossil fuels
10 sea level
A the natural level of the water in the world's oceans, which will rise if global warming continues
B harmful chemicals, gases, or waste materials from factories, cars, etc. that have gone into the air, land or water
C if a type of animal or plant is extinct, it no longer exists and there are no animals or plants of that type alive
D harmful gas or smoke, for example from cars or factories, which damages the environment and harms people's health
E gases that form a layer around the Earth and keep the heat in. These gases are produced naturally, but increasing quantities of gases are being produced from cars and factories, causing global warming
F such crops have had their genes changed in order to make them more convenient to grow. Some people believe that they may cause damage to the environment
G chemicals that are used for killing insects and animals that attack crops
H rain that contains pollution from factories, power stations, etc., which cause damage to forests
I fuels, such as coal or oil. Burning these fuels causes a lot of carbon gases to be released into the atmosphere
J very dangerous waste materials, for example, from nuclear power stations or chemical factories
C
Complete the sentences with some of the words and word combinations above. Put them in correct forms.