NASA Studies How COVID-19 Shutdowns Affect Emissions

What is one of the primary uses of NASA's Geos model?

• To monitor wildlife populations

• To design new aircraft

• To study how chemicals move through the atmosphere

• To predict the stock market trends

How did the 2020 pandemic affect nitrogen dioxide emissions according to the NASA model?

• Emissions were not affected

• Emissions remained the same

• Emissions decreased significantly

• Emissions increased by 60%

Which city experienced a 60% reduction in nitrogen dioxide emissions during the pandemic?

• New York City

• Tokyo

• Madrid

• Sydney

What is the relationship between human activities and air pollution as observed during the pandemic?

• Air pollution is solely caused by natural events

• Air pollution levels are random and unpredictable

• Human activities significantly affect air pollution levels

• Human activities have no impact on air pollution

What is necessary to fully understand air pollution according to the video?

• Only computer models

• A combination of surface observations, satellite data, and computer models

• Only satellite data

• Only surface observations