Which of the following resources accounts for venezuela’s economic wealth?
a. petroleum
c. bauxite
b. gold
d. timber

Venezuela's economic wealth is accounted for by petroleum.  

A. petroleum because the economy of Venezuela is the largest based on the  petroleum sector & manufacturing. revenue from the petroleum export account for more than 50% of the country' GDP & roughly 95% of the total exports. 

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].