1. List the main reasons for water scarcity.
Because some people lives in hot desserts which has very low rainfall. Other reasons are variations in climate, land degradation, population growth and water pollution
2. What is a drought? What type of hardships do you think that a drought could cause if you were living in a village in a poor country such as Ethiopia?
A drought is a period of below average precipitation.
3. How does land degradation affect the supply of fresh water?
It reduces the soil to store water.
4.
a) What is El Nino?
Wind that happens in 4 or 5 years
b) Why does El Nino often cause drought in australia?
El Nino makes air masses making Australia getting drought.
5. Observe the map showing the global effects of El Nino in 1982 - 83
a) What effects does El Nino have on the availability of fresh water?
b) Name the countries and describe the problems that arose from decreased rainfall caused by El Nino.
Peru:Flooding. Colombia: Not getting fish. Australia: Wheat exports threatened. Papua New Guinea: Drought. Indonesia: Air Pollution causing fire. China: Drought in the north and flooding at the south. Philippines: Lower rice harvest. Africa: Reduced corn harcesting. US: More Rainfall.
1 comment:
You got this assignment finished, Heyang, but it does not represent the completeness of answers or the overall thoroughness you usually put up.
To speedy?
mh
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