Which are true about anaerobic activities? (check all that apply! ) is good for cardiovascular health high intensity uses so much oxygen that your body can't keep up can maintain for a long time exhausts you quickly moderate intensity short duration

More than 600. i'm just guessing

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