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a. We can start by switching to LED light bulbs, which use much less electricity than traditional bulbs.

b. These small changes in our habits can lead to significant energy savings and less pollution.

c. Additionally, we should turn down the heating or air conditioning when we are not at home.

d. Reducing energy consumption at home is also a great suggestion for environmental improvement.

e. Another easy step is to unplug electronics that are not in use, as they can still consume a small amount of power even when turned off.

A. a - c - e - b - d
B. a - c - d - b - e
C. d - a - c - e - b
D. d - a - e - b - c

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