Arrange the layers and the fault line from youngest to oldest.

A, F, B, C, D, E

Explanation:
The layers can only be cracked if they are already there, making A the youngest. From there, F is next because it has cracked B - E meaning they existed before the crack. After that, the order goes from top to bottom since a later can not sit on top of another layer unless a more drastic shifting of the layers occurred. Hope this helped!

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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