The Earth is made mostly of it. Explanation; Water is the most important erosional agent and erodes most commonly as running waterin streams. However, water in all its forms is erosinonal
Answer is running water
In April of 1869, he obtained a patent for one of his most important inventions, the air brake. This device enabled trains to be stopped with fail-safe accuracy by the locomotive engineer for the first time and was eventually adopted on the majority of the world's railroads
Variations in air pressure from place to place are the principal cause of wind.
