ADMICRO

Choose the best answer:
We are using up the world‘s petroleum. We use (1) ______ in our cars and to heat our building in winter. Farmers use petrochemicals to (2) ____ the soil rich. They use them to kill insects (3) ______ eat plants. These chemicals go (4) ______ rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (5) _____ air to other countries and other continents. Poor farmers use the same land over and (6) _____ The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (7) _____ firewood. In some areas when the trees are gone, the land (8) ______ desert. Poor people can‘t save the environment for the (9) _____ . This is not a problem for one country or one area of the world. It is a problem for allhumans. The people and the nations of the world must work together to (10) _______ the world‘s resources

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