The first majority military engagement of the american revolution took place near a. yorktown b. philadelphia c. saratoga d. boston

Name two kinds of practical electric pumps.

Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.