How have the great lakes ontario develop?
a.
the lakes have provided water for irrigation.
c.
the lakes are a source of excellent fishing.
b.
the lakes have provided ice for preserving food.
d.
the lakes are a source of transportation for goods.

 The Great Lakes helped Ontario develop by A. providing water for irrigation. The water from the Great Lakes helped Ontario agriculturally so they could prosper. 

Ithink the correct answer is a

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].