(a)  What is subsistence farming?
(b)  Describe each of the following sectors of the economy.
(i)  primary;
(ii) secondary;
(i i i) tertiary.
  (c) Using a table, classify the following activities under the three sectors described In (b) above.
(i)   teaching;
(i i)farm i ng;
(iii) medical practice;
(i v) en terta i nment;
(v)  banking;
(vi)  hunting:
(vii  fishing;
(viii) plastic making;
(ix)  road construction;
(x) cannmg.