Decoding the Weather Machine Quiz

What is the main topic of the NOVA episode 'Decoding the Weather Machine'?

• Climate change and its effects

• The formation of hurricanes

• The life of a meteorologist

• The history of meteorology

What natural events are mentioned as becoming more frequent due to climate change?

• Tornadoes and blizzards

• Earthquakes and tsunamis

• Hurricanes and wildfires

• Volcanic eruptions and landslides

Who is the TV meteorologist featured in the episode?

• John Holdren

• David Holland

• Paul Douglas

• Ralph Keeling

What is the Keeling Curve?

• A graph showing the rise and fall of sea levels

• A graph showing the increase in global temperatures

• A graph showing the concentration of carbon dioxide in the atmosphere

• A graph showing the frequency of hurricanes

What is the main cause of the increase in carbon dioxide levels according to the episode?

• Volcanic eruptions

• Deforestation

• Natural forest fires

• Burning of fossil fuels

What is the significance of the Mauna Loa Observatory?

• It monitors the frequency of hurricanes

• It measures the concentration of carbon dioxide in the atmosphere

• It measures the temperature of the ocean

• It tracks the movement of glaciers

What do the Argo floats measure in the ocean?

• The temperature and chemistry of the ocean

• The salinity of the ocean

• The speed of ocean currents

• The depth of the ocean

What is the main concern about the melting of the Greenland ice sheet?

• It will cause more hurricanes

• It will cause more earthquakes

• It will lead to a rise in sea levels

• It will increase volcanic activity

What is the potential impact of sea level rise on coastal cities?

• Flooding and displacement of people

• More frequent earthquakes

• Higher temperatures

• Increased rainfall

What percentage of the heat trapped by greenhouse gases is absorbed by the oceans?

• 50%

• 70%

• 93%

• 100%