Question 1 - 2
Complete each sentences with correct ending
Main focus of lecture: the impact of 1. on the occurrence of dust storms.
Two main types of impact:
break up ground surface, e.g. off-road vehicle use.
- remove protective plants, e.g. 2..
Question 3 - 6
Answer the question below.
Name of area | Details |
USA ‘dust bowl’ | Caused by mismanagement of farmland.
Decade renamed the 3. |
West Africa | Steady rise in dust storms over 20-year period |
Arizona | Worst dust clouds arise from 4.
Dust deposits are hazardous to5. |
Sahara | Increased wind erosion has occurred along with long-term 6. |
Question 7 - 10
Complete the question below using NO MORE THAN THREE WORDS for each answer.
Drying-up of Aral Sea
STEP 1
Intensive 7. in Central Asian Republics
STEP 2
Drop in water in major tributaries
STEP 3
Total volume of water in lake reduced by8.
STEP 4
Increase in wind-blown material
STEP 5
Lake has increased its9.
STEP 6
Serious effects on10. nearby
. . .
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