In this lesson, we discussed the environmental challenges that the United States and Canada face. Both countries are seeking solutions to issues such as pollution and resource conservation. As a government leader, which issue would you
focus on most? Choose one of the issues discussed in this lesson, and write a short paragraph explaining the steps you
would take to solve that issue in the United States.

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].

D. latin america followed by africa