Question

what is masses development​

Answer 1

Answer:

Mass is a measure of the amount of matter in an object. Mass is usually measured in grams (g) or kilograms (kg). ... An object's mass is constant in all circumstances; contrast this with its weight, a force that depends on gravity. Your mass on the earth and the moon are identical

development in mass of a body

Explanation:

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Answer 2

Answer:

the substance of which all physical objects consist like matter.

Explanation: