The answer is: B I took the quiz

Aregular polygon has angkes of size 150° each. how many side has the polygon

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell