When do droughts occur?
When there is abnormally low rainfall for an extended period of time
When temperatures remain high for a prolonged period of time
When tropical cyclones arrive
How many people worldwide lack a reliable and sufficient water supply?
510 million
780 million
250 million
What is a meteorological drought?
A drought caused by a meteor impact
A drought caused by less than average precipitation
A drought caused by higher than expected temperatures
How can human activity impact on drought?
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?
They are using electromagnetic imaging to find underground water stores
Genetically-modified cattle that require less water are being bred
Water is being imported from China
Which of the following places is prone to drought hazards?
Scotland
Australia
Bangladesh
What is a secondary impact of drought?
Reservoirs emptied
Degraded soil quality
Improved income from tourism
How have people adapted to droughts?
Drought-resistant crops have been introduced
More swimming pools have been built
Increased numbers of livestock on farms