Which statement best reflects why breathing rate rapidly rises at the start of exercising?
a. the buildup of carbon dioxide
b. the change in external environmental factors
c. the increase in body temperature
d. the response to muscles generating energy

When dealing with your guest how you say something is as important as what you say true or false

Sadie and her mom were at a hardware store to purchase smoke detectors for their new home. sadie's mom was unsure how many units she should purchase. what is the general recommendation? a. one large one for the middle of the house b. every room in the house should have one c. kitchen, garage and laundry room- since those are where most fires happen d. every living area including the hallway by the bedrooms should have a smoke detector.

Blank is a corrective method of instruction. blank is a preventive method of training children.