In relation to the biosphere, cryosphere (etc) what does 'terrestrial' mean? i've researched that it is to do with the biosphere, and my guess is that is it to do with plants and animals? like maybe the carbon cycle of the rainforest or something. so my question is: what does 'terrestrial' mean in relation to the carbon cycle?

Hey there,

The earth

Hope this helps :D

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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].

Do you have a picture for this problem?