The issue addressed by both posters is the conservation of resources. Thus the correct answer is D.
What is a poster?
A poster is refer to a graphical or pictorial representation of any idea to promote or support something. These posters are utilized for advertisement or to create awareness among citizens regarding any issue or challenges faced in society.
The image of the poster is attached below-
The poster is given by the United states fuel administration about the conservation of resources. It is depicted in the poster by giving taglines as "save coal' save light" which symbolizes as limited consumption of resources and encourages conservation of it.
Therefore, option D the conservation of resources is appropriate.
Learn more about resources, here:
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