Explanation:
Take shelter in a hard wall building
Close doors and windows cut off ventilation
B - two hydrogen atoms and one oxygen atom
Answer:
The day I was in the shower and I will be there at remove the day I was in the shower and I will be there at remove the day to see if you have any questions please feel free to contacts and the day I was in the shower and I will be there at remove the day I was in the shower and I will be there at remove the days of the week are you
I would say physical, because a physical change is affecting the form of a chemical substance, but not it's chemical makeup.