It's becasue human populations are concentrated in areas that are lacking proper resources.
Answer:
I know the answer with is radio waves, but I'm not sure what out of your selection it could be ill add some things I know from my class in the explanation that hopefully help you or another brainly wiss!
Explanation:
Are radio waves completely different physical objects than gamma-rays? They are produced in different processes and are detected in different ways, but they are not fundamentally different. Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a stream of mass-less particles, called photons, each traveling at light speed.
The answer to the given question is explained as follows:
It discusses the disadvantages of a local economy whose diversity plays a vital role in private sector.
Local economy is diversified by shifting it from single income source to various income sources.
The disadvantages include,
bad investment vehicles
Reduces quality
Market risks
Learn more at brainly.com/question/24369548