What is an explanation for why the % change in mass changes the way it does at 1M?

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

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.

What substance acts to prevent sudden ph changes in bodily fluids?