I am not completely sure, but I think it might be B, Migration out of a stage 3 or 4 country is higher than migration to it.
Answer:
Because of the difference in amount of snowfall and rainfall. New York City also gets either very hot or very cold but Seattle is much more mild.
Explanation:
The arafura sea lies between australia and melanesia
Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.
Answer:
Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago. ... Pigs, sheep and cattle were domesticated over 10,000 years ago.
Explanation: