Productivity can best be described as: A. doing more than one task at a time.
B. the ability to do something well without wasted time or effort.
C. a list of items to be completed, checked, or remembered.
D. a measure of output for any given project, task, or activity.

The answer is b. increased blood flow reduces nerve sensitivity

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