The russian region that slopes upward from the coast and has many streams, forests, and mountain ranges is known as the a. ural mountains b. western siberian plain c. central siberian plateau d. eastern siberian highlands

The Answer is the Central Siberian Plateau Since it Slopes upward from the coast into the southern portion of the country. 

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].

The problem of malnutrition in bangladesh is caused in part by "over population."hope my answer has you : )