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lehoaptt
2 năm trước
Một nguoi đi xe đạp khởi hành lúc 8giơf 20 phút từ Biên Hòa về thàn pho HCM voi van toc 16,5 km/gio .Cung luc do mot nguoi di bo tu thanh pho HCM ve Biên Hoa vou van toc 5,5 km/gio.Hoi: a/Ho gap nhau luc may gio,biet thanh pho HCM cach Bien Hoa 38,5 km b/Cho gap nhau cach Bien Hoa bao nhieu k.
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Environmental pollution is a term that refers to all the ways by which man pollutes his surroundings. Man dirties the air with exhaust gases and smoke, poisons the water with chemicals and other substances, and damages the soil with too many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by scattering junk and litter on the land and in the water. Environmental pollution is one of the most serious problems facing mankind today. Air, water, and soil are necessary to the survival of living things. Badly polluted air can cause illness, and even death. Polluted water kills fish and other marine life. Pollution of soil reduces the amount of land that is available for growing food. Environmental pollution also brings ugliness to man’s natural beautiful world. A. One of the most serious problems facing hummankind today is............. B. The air is polluted with........... C. ......................make the water polluted D.Man damages the soil with................' E. The survival of all living things needs..................

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