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 NiƱo
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

Environmental & Atmospheric Sciences

You might also like to view...

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

Environmental & Atmospheric Sciences

Before globalization and Americanization, there were no cultural norms for beauty in the world's periphery

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences

Pluto is the planet with the most ellipitcal orbit. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The 1884 meeting of European powers to divide Africa was the:

A) Berlin Conference B) Africa Forum C) Slave Conference D) Dark Continent Congress

Environmental & Atmospheric Sciences