The action of napoleons that caused the greatest human losses was invasion of Russia
Two human activities that increase the rate of erosion include farming and deforestation. Both make the top cover of the soil loose making it very easy for it to be carried away by agents of erosion such as wind and water. On the other hand, two natural events that can lead to increased <span>erosion rate include floods and earthquake.</span>
They are electromagnetic waves because mechanical waves have to be physically created by something, while electromagnetic waves are just emitted without any effort or force.