It's a combination of all those things. probably because we are taught from an early age to write in an academic fashion, giving balanced arguments and a conclusion. When speaking from the heart, there is no opposing argument nor is there a conclusion, just emotion.
The correct answer is matter. Matter is a physical substance, so it is that only option provided that can be broken down to the subatomic particle level.
32,100 Millimeters
3,210 Centimeters
3.21 Decameters
Hope It Helps
The density will be 1.05
The mass will be 13.65
It would be potiental because your not moving