What is the measure of the size of a body or region in three-dimensional space

Volume

Explanation:

Volume is a three dimensional entity which measures the amount of matter contained within a body/object/substance.  

The SI unit of volume is cubic meter (). For evaluating the volume of any shape at least three measurement lengths in three different directions are required except the circular/spherical shapes.  

For example – Volume of Cube  is equal  to product of its side length in  x, y and z direction. Since the length of side of cube (a) in all the direction is same, therefore its volume is equal to  .

Volume of sphere is equal to where r is the radius of sphere.

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explanation:

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the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )