Answer:
c. chemistry
Explanation:
it uses science and math which are based on facts.
First is hydrogen and second is oxygen
1. slowly heat stubstance.
2. once the substance is at the most liqued state take the temp. that's the melting point of that subtance.
hope that helps, any other questions feel free to DM me dont wate your points. :)
A measure of kinetic energy of particle motion within a substance is temperature.
