Keeling's reports from Mauna Loa demonstrated ________
A) that as distances from cities decreased, CO2 concentrations increased
B) an increase in tropospheric CO2 from the 1950s to present
C) the presence of El Niño
D) that sediments deposited on the seafloor can yield clues about past climates
E) that CO2 levels have been stable over the last 40 years
B
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Before globalization and Americanization, there were no cultural norms for beauty in the world's periphery
Indicate whether this statement is true or false.
Pluto is the planet with the most ellipitcal orbit. Indicate whether the statement is true or false
The 1884 meeting of European powers to divide Africa was the:
A) Berlin Conference B) Africa Forum C) Slave Conference D) Dark Continent Congress
Which of the following is an example of kinetic energy?
A) a rock at the top of a cliff B) the energy held in bonds between atoms C) the energy held in food D) a rock falling from a cliff