Good question. It like a fail safe,if you hit a car tail gate going slightly fast it come out to protect you from hitting your on the the wheel or the mirror. See if you don't have a seat belt or it just don't fully stop you the airbag might help.Like concussions. I Hope This Help you :)
Answer: They create calcuim chloride, CaCl2
Clarify what you mean by ratios?
law of conservation of energy
aka the first law of thermodynamics
