Please Help FAST!! Which can produce a magnetic field?

A. a solid state insulator
B. insulators with conductors
C. an electric current
D. moving water

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

Why does a collision with an airbag cause less damage than a collision with a steering wheel

Compare the maximum rate of heat transfer to the basal metabolic rate by converting a bmr of 88 kcal/hr into watts. what is the value? from this comparison you should see why the body can accommodate a modes amount of activity in hot weather but strenuous activity would increase the metabolic rate above the body's ability to remove heat [12].