Due to the lower pressure on top of Mt. Everest, water can boil before the temperature gets to 100°C. If pure water
begins to boil at 70°C on Mt. Everest, what is this
temperature in kelvins?
Select one:

a.273 K

b.163 K

c.343 K

d.373 K

Mass of water is smething that you froma drug test or sum girl ya

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

The correct answer is "atomic weight".