12. The diagram shows layers deposited under a body or water.
This layering continued for
millions of years.
Desd plants
and animals
Dead plants
and animals
Water
What most likely happened to the
dead plants and animals?

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].

Answer volcanic eruptionsseismic waves from earthquakes;

What type of link is

Answer carbon dioxide ice;