*15 pts* THANKS in advance! Which is a characteristic of static electricity?

A. an electric current
B. Continuous flow of electric current
C. contained within an electric circuit
D. irregular flow of energy

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

The law of reflection states that the angle of reflection is equal to the angle of

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?