(a(i))[1]
State the name of the organism responsible for making dough rise.
(a(ii))[1]
State the process name used by this organism to make the gas that causes dough to rise.
(b(i))[2]
State two kinds of natural event that could lead to widespread food shortages.
(b(ii))[3]
The rising human population is another cause of food shortages. Explain how a growing human population contributes to food shortages.
(c)[4]
Describe the effects that large-scale monocultures have on the environment.