D. Calculating how much income was paid in the previous year
In 1970 when the Aswan High Dam was completed, the annual Nile floods and sediment stopped for most of Egypt's civilisation which lived downstream. In addition to creating electricity, the dam allowed Egyptians to control the flow of water and build upon the Nile's banks with certainty that it wouldn't be flooded.
Answer:
The Great Pyramids were built, the Crusades ended, Lascaux cave paintings, MLK “I have a dream speech”
Explanation:
The Great pyramids were built in 2560 BC making them the first on our list. The Crusades ended in 1290 Making them the second event.The Lascaux cave paintings were discovered in 1940 on September 12 Making them number three. This means that MLK’s speech comes last, happening in August 28, 1963.
This is not a lunar phase, the lunar phases are caused by the earth casting a shadow on the moon, not the other way around. what you are describing is called a solar eclipse