Which of the following is NOT a positive affects of a nation comparative advantage on international trade? A) supports the efficient use of resources

B) allows a nation to specialize in the production of certain goods and services

C) enables the nation to profit from the production of goods and services

D) eliminates the need for trade with other nations

The answer would be plant growth.

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].