Global Warming and Greenhouse Effect

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What is the average temperature on Venus?

300° C

0°F

457° C (correct)

188° C

Which of the following planets has a huge temperature difference between day and night?

Venus

Earth

Mars (correct)

Pluto

What is the fraction of solar radiation that is reflected known as?

Greenhouse effect

Albedo (correct)

Atmospheric modification

Global warming

How much would Earth's average atmospheric temperature be without any greenhouse gases?

-18° C Signup and view all the answers

Which of the following gases contributes the most towards the greenhouse effect?

Water vapor Signup and view all the answers

What is the extent of contribution towards greenhouse effect for methane (CH4)?

4–9% Signup and view all the answers

What has been the increase in atmospheric concentration of CO2 since 1750?

31% Signup and view all the answers

What is the main source of the increase in carbon dioxide in the atmosphere?

Combustion of fossil fuels Signup and view all the answers

What is the primary source of methane release?

Coal mining, landfills, and agriculture Signup and view all the answers

How is nitrous oxide primarily produced?

Cars, fossil fuels used for heat and electricity, and agriculture Signup and view all the answers

What is the significance of an increase in tropospheric ozone?

It can contribute to raising global temperature Signup and view all the answers

What method is used to collect historical temperature data?

Tree rings, ice volume changes, and fossil pollen analysis Signup and view all the answers

What observed correlation is used to record global temperatures?

Correlation between the world’s ice cover and concentration of the isotope O18 in seafloor sediments Signup and view all the answers

What does an increase in the concentration of O18 in marine sediments indicate?

Cold climate and more water locked up in glaciers and ice Signup and view all the answers

What has happened to snow cover and ice extent since 1960?

It has decreased by about 10% Signup and view all the answers

What has been the increase in atmospheric concentration of methane since 1750?

151% Signup and view all the answers