Answer: A
Step-by-step explanation:
The poster, in a summary, is basically asking you to conserve items to help the environment.
The answer A. is the only answer that talks about saving and donating “scrap”. The other choices talk about enlisting, consumption (the using up of a resource), and morales which have nothing to do with helping to save the environment.
Conservation-prevention of wasteful use of a resource
Hope this helps!