Respuesta :
The answer is C. Making major changes to the atmosphere can be a costly process
Explanation:
Making major changes to the atmosphere can be a costly process.
The atmosphere refers to the layer of thin gases that lie above the surface of the earth. Plants and animals depend on the atmosphere for survival because it is region in which gaseous exchange takes place.
Changes to the atmosphere is very costly because it involves changes such as alteration in the kind of cars that are used and devising of alternative sources of energy etc. All these are expensive adventures.
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