Greenland's Thinning Ice Quiz

What is the primary focus of NASA's Oceans Melting Greenland (OMG) mission?

• To investigate how ocean currents affect glacier melting

• To measure the thickness of the ice sheets from above

• To study the atmospheric conditions over Greenland

• To explore the wildlife in Greenland

Which instrument is used by NASA to create high-resolution maps of Greenland's ice?

• Sonar

• Airborne Topographic Mapper

• GLISTIN

• Radar

What additional method does the OMG mission use to understand the seafloor's influence on glacier melting?

• Underwater drones

• Ice core drilling

• Sonar surveys

• Satellite imagery

How does NASA's Operation IceBridge mission complement the OMG mission?

• By studying the wildlife in polar regions

• By measuring the atmospheric temperature

• By providing satellite images of the ice sheets

• By surveying polar ice from above

What is the potential impact of Greenland's ice melting completely?

• A rise in global sea levels by 20 feet

• A decrease in global temperatures

• A reduction in ocean salinity

• An increase in polar bear population