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
unitary government: all powers is given to a central government  (there is only one level of government).   federal system government divides powers of government between â¦  national and state governments (power is split between  multiple levels of government).example United States) A unitary s â¦ ystem is where the federal government has all the power and provinces have limited power if any at all (France, for example).