What directly stimulates the central chemoreceptors, thus increasing respiration? view available hint(s)what directly stimulates the central chemoreceptors, thus increasing respiration? h+ (hydrogen ions)low o2 (oxygen)high co2 (carbon dioxide)high ph

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

Wind and moving water provide energy. chemical mechanical thermal none of the above