Motion Sickness (Travel Sickness): Causes, Symptoms and Treatments. Written by Sy Kraft B.A. Motion sickness is a very common disturbance of the inner ear that is caused by repeated motion such as from the swell of the sea, the movement of a car, the motion of a plane in turbulent air, etc.
In a federal system of government, or a republic government, states function independently of one another. Although there is almost always a central power. Comments
Lesson Summary. Concurrent powers are powers shared by both states and the federal government. They are powers that are not exclusive to the state or federal government, but are held by both.