Human beings spread all around the world over a period of millions of years. Identify when humans arrived in different regions of the world. 200,000 years ago, 100,000years ago, 40,000years
ago, 30,000years
ago

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

What is unusual about the iraq mountains ,in spite of their old age?

1. most of russia lies in a environment. a) alpine b) subarctic c) humid continental d) humid subtropical 2. the highest population density is found in the part of russia a) eastern b) northern c) southern d) western