The Great Missoula Floods and Their Impact

What record does the waterfall in the scablands hold?

• Tallest waterfall in the world

• Most beautiful waterfall

• Largest volume of water

• Created by the largest known flood

What caused the formation of Glacial Lake Missoula?

• An ice sheet blocking a river

• A volcanic eruption

• A tectonic shift

• A meteor impact

What is a jökulhlaup?

• A large earthquake

• A massive landslide

• A type of volcanic eruption

• A sudden glacial outburst flood

How did the floods affect the landscape of eastern Washington?

• They led to the formation of new lakes

• They created new mountain ranges

• They formed the Channeled Scablands

• They caused widespread desertification

What type of rock was prevalent in the region due to ancient lava floods?

• Sandstone

• Basalt

• Limestone

• Granite

How many times is it believed that the ice dam melted and refroze?

• Up to 25 times

• 10 times

• 5 times

• Once

What was the initial reaction to J. Harlen Bretz's theory about the Missoula floods?

• It was widely accepted

• It was considered revolutionary

• It was dismissed as crazy

• It was ignored

What scientific concept did the Missoula floods challenge?

• Evolution

• Plate tectonics

• Catastrophism

• Uniformitarianism

What does Climeworks aim to achieve?

• Promote fossil fuel use

• Capture and store CO2

• Develop new ice dams

• Increase carbon emissions

What technology does Climeworks use to remove CO2 from the air?

• Direct air capture

• Ocean fertilization

• Photosynthesis enhancement

• Carbon sequestration