15. whose duties include operation of the national response coordination center, the effective support of all emergency support functions, and, more generally, preparation for, protection against, response to, and recovery from all-hazards incidents?

FEMA Administrator

Explanation:

FEMA Administrator -

Federal Emergency Management Agency is the agency of United States Department of the Homeland Security.

The functions of this agency are:

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; face validity;