Which would be the most reliable source for information? the Center for Disease Control website Wikipedia, an online publicly edited encyclopedia updates from a Twitter account an editorial on a new drug

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force