Answer:
2AlCl3 + Ca3N2 - 2AlN+ 3CaCl2
I would say because the respiratory system brings in the oxygen for the body and the circulatory system moves it throughout the body with the blood
A homogeneous mixture, the substances are uniformly distributed throughout the mixture
The density of marble is between 2.6 and 2.8 grams per cm³ .
Density doesn't depend on how much mass or volume of it you have.
The density of a chip of it is the same as the density of a truckload of it.
