Which device could you use in a circuit to limit or reduce the electric current? a. transistor b. capacitor c. battery d. resistor

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?