Answer:
These planets are much larger than the inner planets and are made primarily of gases and liquids, so they are also called gas giants. ... Since the inner planets didn't have enough mass to hold on to these light gases, their hydrogen and helium floated away into space.
Explanation:
Pretty sure you're a person called Dylan
<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:
Big cities, convenience.
Explanation:
In the most densely populated areas of Europe and Russia, there are cities which means that things will be close to people. Cities provide convenient for people, they are more populated.