Density depends on both the mass and the volume of an object. If you cut a bar of gold in half, you would have two bars with half the mass of the original bar. However, each bar would also have half the volume of the original bar. The density of gold does not change.
The answer is false methane is emitted from coal
It depends on the pH level of the water.
33 - 15 = 18
This element is P-33