Answer: B. Show that light was composed of different colored rays
Explanation:
In the eighteenth century Isaac Newton found out that when a beam of light from the Sun, passes trhough a prism is decomposed in many different colors. He named this phenomenom as dispersion of light.
This phenomenom occurs when a beam of white light (which is compound of many wavelengths or "colors") is refracted (the different rays of light are diverted depending on their wavelengths) in some medium, leaving their constituent colors separated.
The answer is representative democracy.
Answer: Lake Victoría is the body of water that became the primary reservoir of the Nile River.
Explanation:
The dam on Lake Victoria was built in 1954 and was called Owen Falls, is situated in Uganda and is located just where the water from the lake flows into the Nile River. Its main purpose is the prevention of flooding and it is the first reservoir that It has the Nile river.
In addition to this reservoir, the Nile river flows through the Grand Ethiopian Renaissance Dam in Ethiopia and The Aswan High Dam in Egypt.
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It is thanks to Amerigo Vespucci and Christopher Columbus that the land was discovered, and so spurred other countires such as Spain and Portugal into what now is called the Age of Discovery. Not be outdone by the other, both of these countries wished to seize control of the raw materials and land available for their own. What they did not expect was the wide trade off of contact with the Native Americans. This includes plants, animals, diseases, and even slaves.
