Boiling point. If you boil water it changes from a liquid to a gas, which is a physical change. The rest are chemical properties because the chemical make up of an object changes.
Answer:
Akira turns in a written lab report to his science teacher. ... Akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowered the activation energy needed to start the reaction.
Hi your answer is definitely going to be B
It is C beacuse you would produce large quantities of the neurotransmitter to see if it could be used as a potential medication.
