Answer:
Electromagnetic waves are created by a charged particle that generates an electric field. The electric field creates a magnetic field. As the charged particle moves the electric field and magnetic field keep changing, which causes the wave to move.
Explanation:
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Answer:
Because wind is able to do work.
Explanation:
Work has different definition in physics and economic.
In physics, work refers to a transfer of energy to a certain object that is caused by the use of force in the direction of the displacement.
Let's take windmill as an example.
Windmill utilize the force of wind to generate electricity. This could only happen because wind could produce kinetic energy that is directed to rotate the generator within the windmill. This rotation of the generator is what produced the electricity. This process wouldn't be possible if wind does not have energy.
In the 1700s it was almost exclusively monarchies that existed in the European states. This was changed great with the American Revolution and the French Revolution.
