(a(i))[3]
Table 9.1 gives examples of parts of a balanced diet and foods with a high proportion of each part. Complete Table 9.1 by filling in the missing spaces.
(a(ii))[2]
Name two additional components of a balanced diet that do not appear in Table 9.1.
(b)[4]
State two examples of modern technology and explain how each one has helped to increase the amount of plants grown for food.
(c)[2]
Suggest two negative effects on an ecosystem of this food-production method.