Answer:
Evolutionary Theory
This theory states that the state evolved over time, starting with the primitive family. One person in the family was determined to be the leader of the family. On a primitive level, a basic government was formed. Over decades, the family became a clan and a clan became a tribe.
Answer:
<em>Mantle convective current</em>
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Explanation:
The North American Plate is a tectonic plate that covers most of North America, Greenland, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores. It is Earth's second largest tectonic plate, behind the Pacific Plate. It is thought to be moved by the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface.
I think it is Racial background
The continental crust is made largely of, B.Granite rocks
<span>The greenhouse effect increases the temperature of the Earth by trapping heat in our atmosphere. This keeps the temperature of the Earth higher than it would be if direct heating by the Sun was the only source of warming.
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