In an experiment to test the effect of exercise on the number of times a clothespin can be squeezed in
minute, the dependent variable would be the
(1) test subject (3) number of squeezes
(2) amount of exercise (4) clothespin

What element is able to combine with itself and hydrogen to form large molecules ?

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.

Which of the follow describes a disadvantage secondary sources have compared to primary sources?