Final answer:
The induced current in the inner metal ring will flow counterclockwise, which is the same direction as the decreasing current in the outer ring, according to Lenz's Law in Physics.
Step-by-step explanation:
The question deals with the concept of electromagnetic induction framed within the subject of Physics. When a current in an outer metal ring is decreasing, and the flow of current is counterclockwise, it will induce an opposing current in a nearby inner metal ring according to Lenz's Law. Lenz's Law states that the direction of the induced current in the inner ring will be such that it opposes the change in magnetic flux caused by the outer ring. Since the current in the outer ring is counterclockwise and decreasing, the magnetic field it produces is also decreasing. Hence, the induced current in the inner ring will create a magnetic field that attempts to maintain the original magnetic flux. In this case, the induced current in the inner ring must be counterclockwise to oppose the reduction in magnetic flux from the outer ring.