Which of the following is not true about running and walking?
a. both do not require special equipment.
b. both can be performed almost anywhere.
c. the amount of exerted effort can be controlled in both.
d. both burn the same amount of calories

Which of these gives the best indication that a health service is based on pseudoscience? a. the service is not controversial and is supervised by medical professionals. b. the service has been extensively researched,has a high success rate,and is expensive c. the service is inexpensive, is based on research, and has been around for a long time d. the service has not been researched and is expensive