Answer asap which of the following is true about cells?

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

Asystematic approach to problem solving is called a (an)

Debris produced by mining is called