Yes, this is true!
Artifacts are objects made by humans. For example a vase or a plate used by Greeks in the ancient time is an artifact. Archaeologists do recover and analyse such vases or place in order to find out how people lived in the past and how they used those objects.
If you are not done with this yet. It is C because they are saying that they can save energy and not waste resources because of the earths population growth.
The organic produce Does not have preservatives in it to make last as long as none organic