In a world of many trading countries, the trade between two countries need not be balanced for the trade of each to be in global balance. Differing demands and productive capabilities among countries will cause a specific country to have trade deficits with some countries and surpluses with other countries.
Which of the following conclusions best summarizes the passage above ?
In a certain college the number of girls is twice the number of boys. 1/5th of the girls and 1/8th of the boys took part in a social camp. What part of the total number of students took part in the camp ?
Certain gases in the atmosphere water vapor,carbon dioxide,methane and nitrous oxide help maintain the earth's temperatures and climate.these are called: