How does the Gulf Stream affect the air masses above ocean water? causes the air masses to collide
causes the air masses to become warmer
causes the air masses to become cooler
causes the air masses to move along the jet stream

In the practice of science, this type of reasoning is used to develop explanations.

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.

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.