A rise in human population is associated with a shift in carbon dioxide concentration in the atmosphere. Fig. 4.1 plots the carbon dioxide concentration from 1958 to 2010, measured at Mauna Loa, Hawaii.
(a)[3]
Describe how the carbon dioxide concentration changed from 1958 to 2010. You will gain credit for referring to data from Fig. 4.1.
(b(i))[1]
Name one additional greenhouse gas.
(b(ii))[3]
Explain how carbon dioxide strengthens the greenhouse effect.
(c)[4]
Finish Table 4.1.
(d)[6]
Explain what occurs in aquatic environments, such as Lake Udai Sagar, when eutrophication takes place.
Worked solution & mark scheme
This 17-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Carbon dioxide concentration rises overall” …