Floods and Their Impact

What percentage of the Earth's surface is covered in water?

• 50%

• 60%

• 80%

• 71%

Which of the following is NOT a type of flood discussed in the video?

• Coastal Floods

• River Floods

• Flash Floods

• Desert Floods

What was the main reason for the severity of Hurricane Harvey's flooding?

• Slow movement and stalling over the area

• Storm surges

• High winds

• Lack of early warning

What is the primary benefit of early flood warning systems?

• Saving lives

• Reducing property damage

• Preventing floods

• Increasing rainfall

Which technology is used to measure soil moisture for flood prediction?

• Ultrasound

• X-ray

• Microwave Emissions

• Infrared Imaging

How does urbanization exacerbate flooding?

• By reducing rainfall

• By increasing vegetation

• By creating impermeable surfaces

• By increasing river flow

What is the 'Levy effect'?

• A phenomenon where levees increase flood risk

• A method of building flood defenses

• A type of flood warning system

• A natural way of preventing floods

Which country is particularly prone to flooding due to its low-lying geography?

• Nepal

• Bangladesh

• India

• China

What is a major challenge in providing aid during large-scale floods in developing countries?

• Weak infrastructure

• Overpopulation

• Lack of water

• Excessive rainfall

What is a potential consequence of rising sea levels due to climate change?

• Decreased rainfall

• More hurricanes

• Increased droughts

• Flood migration