The table below shows the quantity of yams (in kg) produced by four yam producing states in Nigeria between 1995 and 1998;
| State | 1995 | 1996 | 1997 | 1998 |
| A B C D |
300,000 500,000 600,000 700,000 |
400,000 500,000 700,000 600,000 |
500,000 600,000 800,000 500,000 |
600,000 700,000 800,000 400,000 |
Use the table to answer the following questions
(a) Calculate the total quantity of yams produced in the four states during the period (1995-1998)
(b) Construct a pie-chart to show the quantity of yarns produced by each state in 1998
(c) State two advantages of a pie-chart
(a) Describle any four ways in which lines of longitude are different from lines of latitude
(b) Calculate the approximate distance in a straight line between Tema (Latitude 6°N) and London (Latitude 52°N) (Show all workings clearly)
(a) Give two examples each of sedimentary and metamorphic rocks
(b) Outline four major differences between sedimentary and metamorphic rocks
(a)(i) Name two landforms produced by faulting
(ii) Describe the characteristic features of one of the landforms named in (a)(i) above
(b) Highlight the importance of mountains to man
| Month | Jan | Feb | Mar | Apr | may | June | July | Aug | Sept | Oct | Nov | Dec |
| Rainfall in mm | 18 | 17 | 20 | 39 | 48 | 90 | 112 | 90 | 56 | 47 | 30 | 25 |
| Temp in ºC | 21 | 21 | 20 | 17 | 15 | 12 | 12 | 13 | 14 | 18 | 18 | 20 |
(a) Plot a combined rainfall and temperature graph for Station X
(b) Calculate the (i) annual temperature range (ii) mean annual temperature for the station
(c) What climatic type does the station represent?
