Participation in has a higher risk of injury than participation noncontact physical activity. a. strength training b. collision sports c. endurance exercise d. flexibility training

The correct answer is B, collision sports.

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport