1.

Which of these causes land ollution?= Fill in the blanks using the correct words.c) Smore(a) Loudspeakers(b) Polythene beses(0) SewageHonking of vehicles and loud noise from teleusion cause(6) water(a) landpollution.(0) noiseThe substances that cause pollution are calledGlobal warming is caused due to increase in the amount of(pollutants/smoke)diokidelsyzen)--(carbonThe main cause of soil erosion isWashing clothes and bathing animals near a water source cause(deforestation latforestation)pollution. (water/air)Noise pollution causes(sleep disturbancelasthma)a state whether the following statements are true (T) or false (F).Burning firecrackers causes air pollution.Global warming can cause melting of ice in the polar regions.Oil spillage from ships cause water pollution.Sewage contains germs that cause cholera, diarrhoea, etc.Pollution of air, water, noise and land is beneficial for us.Give two examples for each of the following.Kinds of pollutionActivities that cause water pollutionCauses of soil erosionWastes that cause land pollutionHealth effects of noise pollutionAnswer the following questions briefly.What is pollution?What are pollutants?Write the harmful effects of air pollution.What is global warming?99What is soil erosion?(6​

Answer»

Answer:

1 = POLYTHENE bags

2 = NOISE POLLUTION



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