People living there is decreasing.(??) Then what about these?
The amount of water in the pond is decreasing. The amount of air in that room is decreasing. WIthout 'the amount of', they wouldn't make sense either? The water in the pond is decreasing. The air in that room is decreasing.
Top answer
Yes, "The number of" is necessary. ) "Amount" is also necessary. The population is decreasing.
— Avangi
Yes, "The number of" is necessary.
) "Amount" is also necessary.
The population is decreasing.
The level of water is decreasing.
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