Answer:
Calcium
Explanation:
is a silver-gray metal which takes its name from the Latin word calx, which means lime. It is the fifth most abundant element in the earth's crust and is widely distributed as limestone (CaCO3), quicklime (CaO) and calcium fluoride.
Answer:
I think it would be Contagious.
Explanation:
You get it from another person or from food and thats contagious.
2.1 billion years
2,139,000,000 to be exact
