Which statement is supported by information in the
map?
o
trade was rare among river valley civilizations.
mesopotamia traded with egypt but not with the
indus valley
the indus valley civilization traded with both
mesopotamia and egypt.
the indus valley traded more goods than egypt
and mesopotamia combined.

Ithink its deforestation.

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].

Answergoogle earth; i believe this is the correct answer, plz check first;