Please help me Im on a quiz Which is correct about combining two velocities that are in the exact same direction?

A. The larger on is divided by the smaller one.

B. The smaller one is subtracted from the other.

C. The larger one is the only one that counts. We don't use the smaller one.

D. They are added together.

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

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

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem