Question

 In the passage the phrase 'run-off' refers to :

1 point

(i) the flowing of excessive water across a surface.

(ii) the fast deterioration of a surface.

(iii) the thinning of the upper layer of a monument.

(iv) the destructive affect of wind erosion.

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Answer 1

Question can be answered without passage.

(i) the flowing of excessive water across a surface is the correct answer.

• The phrase "run-off" depicts flow of liquid substance over and away from the surface.
• Example of usage of phrase in statement is given as follows-

1. After a day of hard work, the sweat was running off their faces.
2. Run off of pollutants from industries is the major cause of deterioration in water quality.