How do the results of (d) compare with the magnitude of the greenhouse effect on Earth?
What will be an ideal response?
Venus' atmosphere contains 90 bar of CO2, and it consequently has much more of a greenhouse effect than Earth, causing a temperature increase of 510.3 K compared to 33 K (more than 15 times the magnitude). Mars, on the other hand, has a significantly smaller a greenhouse effect than Earth, which only raises its temperature by 5.5 K. Mars' greenhouse effect is low because its atmosphere is thin (6 mbar) the cold temperature means that there is very little H2O in its atmosphere. This gives us some insight into the composition and size of the atmospheres of Venus and Mars.
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The type of rock shown in this photograph is
A) conglomerate.
B) breccia.
C) sandstone.
D) shale.
When measured by absolute external debt, which countries/regions below have the largest debts?
A) Africa (both North Africa and Sub-Saharan Africa) B) Australia, United States, Western Europe C) Middle East D) South America E) South Asia
What type of metamorphism would occur in this setting?
A. regional metamorphism B. extension C. contact metamorphism D. normal faulting
Which of the following is the accepted level of risk for most environmental hazards, as defined by the Environmental Protection Agency
a. 1/100 b. 1/1,000 c. 1/100,000 d. 1/1,000,000 e. 1/10,000,000