What is one possible drawback to choosing cross-country skiing as an aerobic activity? a. you may be exposed to dangerous cold conditions. b. skiing uphill decreases the aerobic effect. c. few major muscle groups are involved. d. intensity level at higher altitudes is relatively low.

Microbes in the gut ferment fiber and complex carbohydrates and form vitamins, short chain fatty acids and

Which of the following identifies a main culprit for america’s increasing weight gain

Frankie is having difficulty developing a friendship with histeammate curtis. whenever frankie invites curtis to hangout with him at the park, curtis always says that he's busy.what is most likely preventing a healthy relationship fromforming? a)the boys are not being generous with their time andeffort.b)the boys are not communicating.c)both boys are too busy.d)the boys are on different teams.