(a)[3]
Identify the processes represented by arrows A, B and C on Fig. 5.1.
(b(i))[1]
On Fig. 5.1, draw one arrow to show photosynthesis. Mark this arrow with the letter D.
(b(ii))[1]
On Fig. 5.1, draw one arrow to show respiration. Mark this arrow with the letter E.
(c(i))[2]
Describe two likely causes of the increased carbon dioxide concentration in the atmosphere.
(c(ii))[2]
State two harmful effects of the rise in carbon dioxide concentration in the atmosphere.
(c(iii))[1]
State the name of one further greenhouse gas.