The difference between money paid to, and received from, other nations in trade is the
A) balance of trade.
B) absolute advantage.
C) balance of payments.
D) comparative advantage.

Generally, around the globe there are 105 boys born for every 100 girls. however, recently in some countries, this ratio has been altered with a much larger proportion of boys being born in some countries. the primary reason for this shift to a higher proportion of male births has been