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Elizabethperez79
if this is in science terms its a plain if this is in mathematical terms, the answer is the number 0 anything below is negative, anything abouve is pos

Answer:

Elevation of Zero feet, Means

If represented on number line , it is in middle of Number line equidistant from both sides.

=At sea level

→Integer={------,-3,-2,-1,0,1,2,3,..............},

0 is in the middle of integers, that means neither positive nor negative.

→Elevation above Zero Feet=Positive Integer

→Elevation below Zero Feet=Negative Integer