Which option identifies the problem in the following scenario? A rancher clears brush from some land and properly cares for it to create a good growth of grassland so he can turn horses out to pasture.

Clearing brush contributes to deforestation.
Creating pasture removes agricultural land.
Creating pastures leads to degradation of open land.
Clearing brush causes harmful gases to be released as horses eat.

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].