Climate Change

If we study precipitations or average temperature during long periods of time, like several decades or a century we are studying...

• The climate

• The weather

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

T/F - The amount of carbon dioxide CO2 in the atmosphere is decreasing.

• True

• False

T/F Global warming is not a problem because animals and plants can adapt to changes in the environment like they have done historically.

• True

• False

T/F CO₂ levels have been naturally changing during earth's history, that explains why their concentration is and increasing now

• True

• False

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

The greenhouse gases like the CO₂ are opaque to...

• all type of radiations

• nothing, as gases they are transparent

• shortwave radiation from the sun

• longwave radiation emitted by the earth

Which is a natural source of greenhouse gases?

• aerosols
• deforestation
• volcanic eruptions
• burning fossil fuels

Which of the following have been changed or altered due to climate change ?

• droughts

• flooding

• melting of polar ice caps

• all of the above

Which is a green-house gas?

• Methane
• Oxygen
• Hydrogen
• Ammonium