Final answer:
Provide a revision to connect the sentences about energy efficiency and window insulation during cold weather.
Explanation:
The correction: The sentence should be revised to: 'The windows need to be closed whenever it is cold outside. We don't want to waste money trying to heat the outdoors.'
Explanation: The original sentences need to be connected to ensure coherence and clarity in conveying the message about keeping windows closed during cold weather to save energy.
Key Concepts: Energy efficiency, Heating, Window insulation
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