Question

Fig. 10.1 is a diagram of the carbon cycle.

(a) Identify the processes occurring at X, Y and Z in Fig. 10.1.
X ……………………………………………………………………………………………………………………………..
Y ……………………………………………………………………………………………………………………………..
Z ……………………………………………………………………………………………………………………………..

(b) The concentration of carbon dioxide in the atmosphere is increasing.
Use Fig. 10.1 to state two ways humans could increase the removal of carbon dioxide from the atmosphere.
1 ………………………………………………………………………………………………………………………………
2 ………………………………………………………………………………………………………………………………

(c) Process A occurs in food chains.
Complete the sentences to define the term food chain.
A food chain is the transfer of ………………………………….. from one organism to the next,
beginning with a ………………………………….. .
(d) Carbon dioxide dissolves in oceans, acidifying them.
State two sources of water pollution.
1 ………………………………………………………………………………………………………………………………
2 ………………………………………………………………………………………………………………………………