9 Questions
What is the main reason for the extra warming of the Earth's surface?
The presence of greenhouse gases
Which gases are mentioned as being transparent to solar and earth radiation?
N2, O2, and Ar
What is the percentage increase in CO2 concentration in the atmosphere from 1750 to the present?
58%
Which process converts H2O and CO2 into O2 and organics?
Photosynthesis
What range of temperature rise is predicted over the next 100 years due to the increased CO2 greenhouse effect?
$7$ to $10$ °C
Why do only certain gases contribute to the greenhouse effect?
"They have specific values of energy"
What is the average surface temperature of the earth mentioned in the text?
$13$ °C
What is the percentage of the sun's radiation that reflects off our atmosphere?
$30$%
Which gases are mentioned as the main greenhouse gases in the text?
$CO2$, $CH4$, and $H2O$
Test your knowledge of the greenhouse effect, solar radiation, and the impact of certain gases on atmospheric temperature. Understand how the black body assumption is only approximately true and how certain gases contribute to the trapping of sun's radiation.
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