Man has interfered with the ecosystem through I. farming ...
Man has interfered with the ecosystem through I. farming II. modification of weather and climate III. overgrazing
I only
II only
II and III only
I,II and III
Correct answer is D
No explanation has been provided for this answer.
Which of the following group of settlements is arranged in order of increasing size? ...
A river deposits its load of sediment if the? ...
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The number of persons per square kilometer of land is called ...
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The wearing away of the sides and bottom of a river channel is called ...
The temperature at which condensation occurs when air is saturated is the? ...