Deserts occur under which type of climate system?
High pressure
Low pressure
Tropical cyclones
What is the definition of an arid area?
An extremely hot area
An extremely hostile area
An extremely dry area
What is a meteorological drought?
A drought caused by a meteor impact
A drought caused by lower than expected rainfall
A drought caused by higher than expected temperatures
How can humans cause droughts?
By leaving taps running
By polluting rivers
By cutting down trees
Which of the following is a cause of droughts in Australia?
Willy-willies
The North Atlantic Drift
El Niño
What is being done in Australia to help combat droughts?
Using electromagnetic imaging to find underground water stores
Genetically-modified cattle that require less water are being bred
Water is being imported from foreign countries
Which of the following places is prone to drought hazards?
Scotland
Australia
Bangladesh
What is the Sahel?
A mountainous area in Asia
A narrow belt of semi-arid land immediately south of the Sahara desert
A rainforest in South America
Which of the following statements about the Sahel is true?
Throughout the 20th century rainfall has been below average
Since 1970, rainfall has more often than not been below average
During the 21st century there have been no wetter than average periods
What is being done in the Sahel to to help combat droughts?
Drought-resistant crops are being introduced
They are building large dams to store water
They have introduced hosepipe bans