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What is ground subsidence primarily caused by?

• Volcanic eruptions

• Removal of subsurface support

• Heavy rainfall

• Earthquake activity

Which of the following is a natural cause of ground subsidence?

• Fracking

• Pumping groundwater

• Tectonic motion

• Mining activities

What type of ground subsidence occurs due to the dissolution of limestone?

• Cover-subsidence

• Ground settlement

• Sinkhole formation

• Cover-collapse

Which factor does NOT influence landslide development?

• Geological factors

• Morphological factors

• Human activities

• Temperature changes

What is a leading cause of rainfall-induced landslides?

• Earthquake activity

• Vegetation growth

• Slope saturation of water

• Soil erosion

What is the primary cause of coastal erosion?

• Wave action

• Soil saturation

• Human construction

• Vegetation loss

What is a bolide?

• A type of earthquake

• A geological formation

• A celestial body entering Earth's atmosphere

• A type of meteorological hazard

What is the calmest part of a typhoon called?

• Eye

• Eyewall

• Core

• Outer bands

What is the purpose of a storm surge warning?

• To alert about high winds

• To inform about potential flooding

• To predict rainfall

• To provide evacuation routes

What does El Niño typically bring?

• Cooler temperatures

• More intense storms

• Severe droughts

• Increased rainfall