Name of the first spanish governor

Ascientist who studies prehistoric and historic people by analyzing artifacts is a(n) a. historian b. botanist c. archaeologist d. anthropologist

How do the media affect government? elected officials count on the media for financial support. elected officials use the media to communicate with the american people. elected officials use the media to discourage participation in interest groups. elected officials count on the media to tell them how well they are doing.

What does the delta symbol represents in this equation