Answer:
The group of people occupied a high rank in ancient Sumerian society just below kings are "Mesopotamia ".
From youngest to oldest
Fetus Protostar
Infancy-Adulthood Fusion Ignition-Main sequence
Middleage Red Giant/Supergiant
Old age-Death White Dwarf/Black hole
Contacts between sedentary and nomad peoples<span> resulted in trade, tribute payments</span>
Answer: The Information which is recently discovered that there is a connection between hippopotamus and whales suggests that:
Both hippopotamus and whales have a common ancestor which brings about the similarity in their genetic system.
Explanation: Research has been debating the issue for years because the source of the relationship date back to a 40 million years old ancestor of the two species.
There is a little pointer which is that both of them can survive in water.
Flooding can affect rivers because river flooding causes things to be picked up from the streets and pulled back into the water. So It affects the water quality and if anything dangerous to the fish and water life gets in the water it will mess up their life system. Hope this helped a little bit. :)
