If a nation exports more than it imports, it is said to have
a. a trade surplus.
b. negative balance of trade.
c. a trade deficit.
d. positive balance of trade.

2. every fitness program should include a. a longer warm-up period than cool-down period. b. a warm-up, a primary conditioning period, and a cool-down. c. at least 60 minutes of cardio activity. d. at least 15 minutes of vigorous activity.