Answer
how long are most anaerobic exercise bursts?
a. less than 50 seconds.
b. from 30 seconds to 2 minutes.
c. from 1 to 5 minutes.
d. from 5 to 10 minutes.

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.