ankujgupta wrote:
I can understand why C in answer. But why is A wrong. Doesn't it mean that more heaters are being bought which may lead to increase in consumption of electricity ?
Or it supports the conclusion on the basis that people are changing the way they spend time, and there is a assumption that portable heaters consume less power ?
Your latter statement is correct. The reasoning for A is as follows:
The families shift from conventional central heating to localized portable heating, thereby saving energy.
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