Why do East and South Asia form a region? Check all that apply.
A. They have the same forms of government.
B. For thousands of years, Asian civilizations were separated from
Europeans and Africans.
C. The earliest civilizations developed along the Indus and Yellow
River valleys in India and China.
D. They both have natural barriers like the Himalayas.

B. For thousands of years, Asian civilizations were separated from

Europeans and Africans.

D. They both have natural barriers like the Himalayas.

Explanation:

The reasons East and South Asia form a region is because of the following:

1. For thousands of years, Asian civilizations were separated from

Europeans and Africans - Over the years in human history, Europe and Africa had little or no contact with East and South Asia. Thereby, the region developed its civilizations and ethnic groups in its way or pace. This also made the region not form part of the advancing and conquering powers of the Mediterranean empires such as Rome, Egypt, Greek, etc.

Also, they both have natural barriers like the Himalayas which joined the two regions together as the Himalayas is formed between many countries in the area, including present-day China, India, Bangladesh, Nepal, etc

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .

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