Answer:
Quartzite is formed from the metamorphism of sand stone
On the planet earth. They exist in what we call the "world", which holds all seen life.
KCl is a neutral product because KCl is formed from the acid base reaction of KOH and HCl. KOH is a strong base and HCl is a strong acid and when you put them together, you get a neutral product after a chemical reaction. The acid and the base cancel each other out to cause a neutral product.
Answer: Platelets release a vasoconstricting substance called <u>SEROTONIN.</u>