Answer:
Apitite
Explanation: Apitite has a hardness of 5 it can scratch flouride but Quartz has a hardness of 7 meaning it can scratch Apitite
Answer:
#1 false its difficult but also possible. #2 true and #3 False. the Salivary gland in the mouth make 1.5 liters a day
The answer is organ systems I believe
The Big Bang Or Big Bang Theory is the theory scientists say how our universe started scientists say this occurred 13.7billion years ago
Protons are equal to atomic number. Meaning the answer would be 64.