<span>The ruler Sargon of Akkad Semitic-speaking Akkadian Empire, united the geographic areas of northern and southern Mesopotamia. His empire included most of the regions of Mesopotamia. He conquesed Mesopotamia and added it to his reign. </span>
Answer:
Every river is part of a larger system—a watershed, which is the land drained by a river and its tributaries. Rivers are large natural streams of water flowing in channels and emptying into larger bodies of water.A tributary is a smaller stream or river that joins a larger or main river.
A possible cause was a meteorite hit the earth. it caused many organisms to become extinct because it blocked out the Sun so plants couldn't grow and herbivores couldn't eat the plants and carnivores couldn't eat herbivores.
