Answer:
Option: a. 200 million years ago
Explanation:
Million years ago, Earth had one supercontinent called Pangaea and surrounded by an ocean (Panthalassa). Alfred Wegener proposed the concept of one big continent after putting together different records of confirmation. He was able to give his theory by examining fossils of plants, trees, animals, and reptiles that found in different continents. About 200 million years ago, the supercontinent began to split up into two parts; Gondwana from Laurasia. Today's countries, including Africa, Antarctica, India, South America, and Australia are part of Gondwana, where Europe and North America from Laurasia.
The concentric zone model proposes that the zones of a city are differentiated primarily by Ethnic composition.
<h3>What does the concentric zone model show?</h3>
The Concentric zone, or Burgess model, is a model to describe how a place, such as a city, will grow. It was founded by Ernest W. Burgess between 1925 and 1929.
Based on Burgess' theory of human nature and applied in Chicago, it was the first to provide an explanation for the distribution of community groups in urban areas.
Thus, The correct statement is Ethnic composition.
Learn more about Ethnic composition here:
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Answer: If contents of vectors are equal than it will return true else false. It will compare all the elements in vector, we can not compare the sub sections of vectors using it. It will compare all the elements in vector, by calling operator on each element. Hopefully i helped
Explanation:
What term refers to people that belive in more than one god
the answer is polytheism
<span> the answer is 85,231 mi²</span>
