Trade enhances economies through the creation of jobs, and the sale of the items. Can't have an economy without buying and selling. Trading is usually a positive thing, that being said certain types of trade can actually hurt jobs. For instance, when more modern clothing was invented and sold, lots of people selling animal skin clothing and such probably had to find a new way to make a living.
Explanation:
One of the most important sources of energy is the sun. The energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) cells.
I think the answer is C. Not positive though
The city that ruled before monarchs are the greek city states.
