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
Concurrent powers are powers enjoyed by both the state and federal government. These powers may be exercised simultaneously, in the same area, and among the same group of citizens. For instance, residents of most states are required to pay both federal and state taxes.