B.) Decreases (As the growth rate of a population increases, the doubling time decreases.)
A concave mirror<span> is called a </span>converging mirror<span> because it brings incoming parallel rays together</span><span>
A, It's a converging mirror and it's used to show a large area of the store.</span>
Explanation:
imagine I teach my child at my home , it doesn't involve any commercial purpose . I don't need any money from my child , so that's free market economy.