Formation of hydrates is considered to be a chemical change.
I believe the correct answer is option A. Paré.
Or otherwise known as Ambroise Paré. He was considered one of the "fathers of surgery" for modern forensic pathology. And was known to be a pioneer in surgical techniques on the battlefield using medicine, mostly in the treatment/healing of wounds.
Hope I could help! :)
To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.
Answer:
3, 1, 3, 1 is a required answer.
