MgSO4, CO2, AlCl3 are the answer
Answer:
how much matter is in an object
Explanation:
Bones are made up of a framework of a protein called collagen , with a mineral called calcium phosphate that makes the framework hard and strong.
Answer:
numerical values such as measurements, cost, and weight;
Explanation:
The hair colors of players on a football team
the color of cars in a parking lot
the letter grades of students in a classroom
the shape of candies in a variety pack