Question

define density????

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Answer 1

$\bold{Answer}$

Density is a property of a substance which is relationship between the mass of the substance and how much space it takes up  the volume.

 A piece of wood will float on water but their most rocks are more dense than water, so they will sink. 

Density is how close together the molecules of a substance are or how much mass a substance has in a given to the space.

Density is a fundamental concept in which the science will see it throughout our studies.

Density is expressed in grams per cubic centimeter or grams per milliliter.

Formula of density is p = m/V

P means it's means equal to mass and m means mass is divided by volume.

Answer 2

1.

the degree of compactness of a substance.

"a reduction in bone density"

synonyms: solidity, solidness, denseness, thickness, substance, bulk, weight, mass;