(a) State three reasons to show that the earth is spherical

(b) Describe three effects of the revolution of the earth

(c) Calculate the noon altitude of the sun at the Tropic of Capricorn on June 21 
 

(a) What are the similarities and differences between the lines of latitude and longitude?

(b) An international cricket match between The Gambia and India is scheduled to start in Banjul (longitude 16°W) at 9.00a.m local time on 26th June. Calculate the time and day that listeners will have to tune to their radios for the start of the commentary at (i) Bombay (74°E) (ii) Pittsburg (89°W). 
 

(a) Describe the characteristics of any two of the following types of landforms
(i) delta
(ii) atoll
(iii) caldera

(b) Explain with the aid of diagrams the mode of formation of each of the landforms you have chosen