Which evidence did Wegener use to develop the theory of continental drift? 1. The rocky mountains are taller then the Appalachian mountains.

2. There is no evidence of glaciers anywhere In south America

3. the climate of Siberia has always been the same

4. Mountains In north America appear to be part of the same chain of mountains as those in northern Europe

Idon't bro i wish i could i'm so sorry

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].

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