Orogenesis (mountain building) leads to the production of a. metamorphic rocks b. igneous and sedimentary rocks c. metamorphic and igneous rocks d. igneous, metamorphic, and sedimentary rock

A.metamorphic rocks

~breif explanation~
foliated metamorphic rocks is formed under pressure which is the mountain building process
sedimentary rock is formed under compaction and lithification
igneous rocks are formed due to the occurance of volcanism

hope it helps!

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  franco-prussian  war, a  war  that was  led by prussia a coalition of  german  states, defeated  france. the  war  was the end  of  french  hegemony in europe and resulted in a unified  germany.  i hope this !