Concept:Air transport is the fastest means of moving passengers and goods over long distances.
Explanation:Air transport uses aircraft such as airplanes, jets, helicopters, and drones to travel through the sky.
It covers very long distances in the shortest time compared to other modes.
Water, rail, and road transport are slower because they face physical barriers, traffic, or difficult terrain.
Aircraft generally fly in a straight path without surface obstacles, which increases their speed.
Answer:Air (Option B).