Methane Exploration Quiz

What is the significance of methane detection on Mars by the Curiosity rover?

• It proves that Mars has a thick atmosphere.

• It indicates the presence of liquid water on the surface.

• It suggests the possibility of past or present life.

• It confirms the presence of active volcanoes.

Which of the following is NOT a source of methane on Earth?

• Photosynthesis in plants

• Thawing permafrost

• Volcanic eruptions

• Anaerobic microbes in cow guts

What did the CARVE mission discover about methane emissions?

• They decrease during the cold season.

• They are unaffected by climate change.

• They persist deeper into the cold season due to warming.

• They are primarily from volcanic activity.

Where has NASA's New Horizons spacecraft found methane in the solar system?

• On the surface of Venus

• In the atmosphere of Jupiter

• On Pluto, as methane snow

• In the rings of Saturn

Why is methane considered a potent greenhouse gas?

• It is the primary component of Earth's atmosphere.

• It reacts with oxygen to form water vapor.

• It is 25 times more effective at trapping heat than carbon dioxide.

• It is more abundant than carbon dioxide.