Question

the lightness or the heaviness of an object is directly related to its _______
fill in the blanks be carefull​

Answer 1

Answer:

Your terms "lightness" and "heaviness" are references to weight or mass. That is how much something weighs. Put the item on a scale or balance and find out how much it weighs. ... This is the measure of how much something weighs per unit of volume...

Answer 2

Answer:

weight or mass will be the answer

Explanation:

hope it helps