1) What percentage of Americans smoke? A) 10 percent
B) 20 percent
C) 30 percent
D) 40 percent

Around 10 percent

Explanation:

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.