Why would the heavier material like metals and rocks be able to stay close to the center of the rotating disk?

Don’t use up to much of them it leads to pollution

Answersocial classes;

There are allot let me mention a few. 1. catholicism 2. orthodox3. lutherans 4. protestants. they are different because, catholicism has a pope but not the orthodox even though they are almost the sames

Idon't know im dumb