The aerobic system of energy production uses glycogen primarily uses what as its energy source ?

Ithink this is what you meant. the temperature at which a liquid begins to boil is called the boiling point. the boiling point of water is 212°f or 100°c.  and at that point will start to turn into steam (gas)

Ibelieve y y even though i've only taken chemistry for one year

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.

Its the second one nonmetals are moldable and easily shaped