Describe chemically formed sedimentary rocks under the following headings: (a) mode of formation; (b) three examples; (c) four importance.

(a) What is a lake? (b) Describe the formation of lakes by wind erosion. (c) identify three benefits of lakes to man.

(a) Highlight four characteristics each of the following: (i) Time Zone (ii) International Dateline.
(b) lf two towns A and B are located on different time zones and the time ini town Ais 9.00am while the time in town B is 6.00pm the same day, calculate the longitude of town B if the longitude of town A is 30° W.

With the aid of diagrams, describe the mode of formation of the following features: (a) stack; (b) fold mountalin.

Write a geographical account of flooding in urban areas under the following headings;
(a) four causes
(b) three effects
(c) four measures that can be used to control the flooding