30. What was the range in average plant growth? 31. What is the average value of the average plant growth?

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)

It will appear as o2(g) as a reactant 

We can't until we know what we are working with or on