The correct answer is the Black Market.
The Black Market refers to the informal (and sometimes formal) system of trading of illegal goods by merchants and dealers of products such a weapons, drugs, and good that have been banned by countries. This can also apply to informal marketplaces in countries with sanctions placed upon them get goods that formal treaties are blocking the people from accessing.
The pitch of a sound is most closely related to the frequency of vibrations.
Answer:
D) the difficulty in expanding capacity by adding servers and clients
Explanation:
The limitation of the current Internet are as follows
1.The speed of the internet.When the number of user used the same internet then the speed of the internet decrease.
2.The band with is limited.
3.Continued reliance on cables and wires for connectivity
So the option d is correct.
D) the difficulty in expanding capacity by adding servers and clients
Planting trees and grass on a hillside keeps the dirt and soil compacted so nothing fall.
I really do hope that this helps. ^_^
