I think that this can be answered in multiple ways because there is not a right answer to this specific question. But I think that some characteristics is that they have be industrial, because if a place can not produce then it can not stand, and I also think that it is defined by how much power the city has economically and physically producing.
Answer:
Heat and pressure.
Explanation:
Because heat and pressure changes the arrangement of molecules in the rock. It goes through a chemical and physical change.
When moderate inflation occurs, it is a sign of a healthy economy. It also allows prices to adjust.
If the half-life is 5 minutes, then 30 minutes is equivalent to 6 half-lives. So, after six successive half-lives, the 400 mg of the radioisotope would have a mass of 400(0.5)⁶ = 6.25 mg.
Thus, A would be the correct answer choice here.
