It is called Mass.
Among the physical characteristics of a matter which includes Weight, Mass, Volume, and Density the only characteristic that does not change is the mass. The mass of an object never change from place to place. All the objects have a mass and that is why there is a weight but it changes depends on the gravity. Mass don't.
The reactants in the neutralization reaction are an acid and a base while the products are a salt and water.
Answer:density
Explanation:
it’s how’s how dens the ball is
B) Morrison and Franscioni's research done to create the Frisbee.