1 ) Arab world located in the middle of the world which make it very easy and close to spread the news or celestial religions through the movement of traders and travelers to all of the world.
2)Imperialism means controlling the rule of a state, territory and the people of another country, or controlling the various parts of the weak world and its wealth. The Arab world contains many natural resources that the industrial world needs, and the goal is therefore to control it.
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Answer:
C. He studied all sorts of natrue, streams to trees.
I don't think it should be taken at face value because those ways could be the main ways to earn money, but it could probably be the least reliable or successful ways. This sentence could just be a lie taken literaly in which has a hidden meaning. This could be a meaning that you might not get, in which will leave you ripped off.
Light energy is quantized
<span>It
means that even though light is a wave, it nevertheless exists in
discrete (distinct, countable and indivisible) units, i.e. particles</span>
