Cite the evidence that Earth's climate is warming due to human activities
What will be an ideal response?
There is a strong correlation between the level of atmospheric carbon dioxide and an increase in global average temperature. Figure 27.32 shows this correlation. Since 1850, the increase in atmospheric carbon dioxide has been attributable to human activities, especially the burning of fossil fuels that powered the Industrial Revolution. Thus, the increase in global average temperature that corresponds to this carbon dioxide increase is human-caused.
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Suppose the surface air temperature is 29°C. If the base of a cumulus congestus cloud directly above you is 2000 metres, what is the approximate temperature at an altitude of 5000 metres inside the cloud? (Assume the dry adiabatic rate is 10°C per 1000 metres, and the moist adiabatic rate is 6°C per 1000 metres)
A. -13°C B. -9°C C. -8°C D. -5°C
Developed countries spend just over $2,000 per person annually on health care, compared to approximately $1600 per person in developing countries
Indicate whether the statement is true or false.
What type of wave causes the most damage to property during an earthquake?
a. Primary waves b. Secondary waves c. Surface waves d. Body waves
The components of ocean water whose proportions are not accounted for by the weathering of surface rocks are called excess volatiles
Indicate whether the statement is true or false