What is the approximate variation in CO2 concentration each year?
The question is based on Figures 24-8 and 24-9, charts showing the change in atmospheric carbon dioxide measured at the Mauna Loa Observatory in Hawai‘i, from 1958 to April 2016.
What will be an ideal response?
6 to 7 ppm
You might also like to view...
What is the general term for a gap in the geologic rock record that represents a period of non-deposition, erosion, or both?
A)nonconformity B)disconformity C)angular unconformity D)anticonformity E)unconformity
The specific humidity of air changes when there is a change in
A. the temperature of a parcel of air. B. the addition or removal of water vapor. C. pressure of a parcel of air. D. All of these.
Which of the following processes is primarily responsible for the sky's blue color?
A. filtering B. scattering C. absorption D. reflection
The cycle of phases of the Moon is the basis for our month
Indicate whether the statement is true or false