In 2005, world population had grown to 6.5 billion with an increase of more than 4 billion since 1950.
What is most likely to have been the cause of this?
1 )
an increase in the death rate in developed countries
an increase in the birth rate in developing countries
3 )
an increase in migration from developing to developed countries
4 )
an increase in the death rate in developing countries
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...