Doctors can directly measure a person's maximum oxygen intake by measuring their oxygen intake while they
a.
do as many push-ups as possible
b.
run on a treadmill, which increases speed
c.
do jumping jacks until they are tired
d.
sit motionless with a resting heart rate

Employers are required to provide guardrail, safety net, or personal fall protection systems to protect workers from falling off unprotected sides/edges of residential roofs that are feet or more above a lower level.

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

Match each child care option with its benefits. a. no child care expenses b. likely to have values similar to those of the parents c. lots of one-on-one time with a provider d. care offered at schedule hours 1. family member or friend 2. private child care 3. day care 4. stay at home parent