(a)(i) The three climatic belts recognised by the Greek system of classification include:
(i) Torid belt
(ii) Temperate belt
(iii) Frigid belt
(iii) The basis of classification is temperature
(b) One characteristic of each of the belts:
(i) Torrid belt: It is found in the tropics with high temperatures throughout the year
(ii) Temperate belt: It has a seasonal contrast in temperature
(iii) The frigid belt has very low temperature throughout the year.
(c) Three advantages of Koppen's classification over the Greek system include:
(i)It is simple to understand
(ii) It is objective
(iii) It is commonly used in teaching at different levels of educational institutions.