They are all considered to be electromagnetic radiation. In this kind of radiation or energy, electric and magnetic fields vary at the same time, creating rates or frequencies that determine the different types of "rays" and how much energy each wave carries -the higher the frequency is, the more energy it bears.
Spices and textile, including other raw materials like capital, wood, agricultural products like cotton, indigo, etc...
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to protect the citizens from unruly law makers who think they can just change the law any time they wish.
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B) Analyzing historical sources.
