13 practice sets · Page 1 of 1
Why does high atmospheric pressure lead to periods of drought?
The descending air moves too fast to rain
The air is descending, which inhibits the formation of cloud
The high pressure forces the rain clouds away
The winds in an area of high pressure blow rain clouds through too fast
Which of these is a secondary hazard of drought?
Water shortage
Desertification
Warmer weather
Hurricanes
Which of these areas is prone to dangerous droughts?
The Lake District
Canada
Sahel, in North Africa
Bangladesh
Which of the following is a primary hazard of drought?
Lack of water
Reduced tourism
Damage to crops
Damage to wildlife
Which of the following human activities can trigger drought?
Deforestation
Urbanisation
Over-fishing
None of the above
Which is a better response to drought?
Food aid
Development aid
Water aid
None of the above
What natural factor causes drought in the Sahel?
Rain failure
Overcultivation
Overgrazing
None of the above
What is a drought?
A period of highly variable rainfall
When rivers fall below particular levels
A period of below average precipitation in a specific region
When there is no water for human or animal use
What human factor causes drought in the Sahel?
Rain failure
Overcultivation
Wet and dry seasons
None of the above
Period of dry weather longer than normal is known as
Flood
Disaster
Drought
Famine
How is climate change likely to affect the number of occurrences of drought?
Droughts will reduce
Its unlikely to change to any great amount
Drought will become more common as extreme weather becomes more common
None of the above
How does the UK ensure the population have a continuous supply of water?
By pumping water out of rivers
By desalination of sea water
By recycling water from sewage
By using reservoirs to store water and boreholes to reach the water table
How can dams cause drought?
By reducing rainfall levels
By reducing water levels downstream
By flooding land behind the dam wall
None of the above
