How are the lives of people who live by polluted rivers

Reference no: EM13153306

1 Name the greenhouse gases and in each case gives one source.
2 Explain how the build-up of these gases is contributing to the greenhouse effect.
3 What are some of the consequences of global warming?
4 What could humans be doing to reduce global warming?
5 What are the consequences of deforestation?
6 Why is there large scale clearance of forests?
7 What are pesticides?
8 pesticides like DDT is now banned from most industrialised countries.
9 What property of soot particles affects photosynthesis?
10 Why is carbon monoxide a deadly gas?
11A Lake is situated near a factory that burns coal. How may the lake be affected in years to come if
A) There is no smoke control at the factory,
B) There is no smoke control worldwide?
Explain your answers.
12 How are the lives of people who live by polluted rivers and catch fish from them put at risk?
13 The water flowing through a village had such low levels of mercury in it that it was considered safe to drink. Many of the villagers showed signs of mercury poisoning. How could this be?
14 How does oil floating on the surface of the sea affect the organisms living under it?
15 What kind of fertiliser gives you the greater control over providing minerals for a crop? Explain your answer.
16 If a farmer uses only inorganic fertilisers how may the the soil organisms be affected?
17 How does the use of herbicides on a farm affect the honey production of a local bee keeper?
Explain your answer.
18 You have a field of weeds and need to plant a crop in it.How could you use pesticides to prepare the ground for your crop and protect it while it is growing?

Reference no: EM13153306

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