Answer is
3) how much mass per unit of volume is in a substance
Global warming, the hole inside the atmosphere in Oklahoma , california .
Answer:
Formation of Gas
Explanation:
The solid Carbon Dioxide warms it sublimates to gas. With limited room for the gas to expand, the pressure in the bottle increases.
This is mostly true for chemical properties. Physical properties however don't require other substances so as to check them out such as changing the state of matter, Turning water into ice does not require other substances, only water, and yet you can check the physical properties with it. Chemical properties are checked with experiments and careful observation of what happens when things are mixed.
Two elements have similiar characteristics when they belong to the same family that means that have placed in the same column of the periodic table. So in other words, Helium and Radon are very similar because they are in the same column. Let me know if you need others :)
