Become the most important source of environmental change on earth? select one:
a. climateb. energyc. human activityd. conservation biology

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.

Aresident is five feet tall.what is the measurements in iches

Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time