You can do this ask a teacher for help
It lets elected officials know how citizens wish them to act <span />
Answer:
National service provider (NSP)
Regional service provider (RSP)
Internet service provider (ISP)
Explanation:
National service providers (NSP) are companies that own the internet backbone infrastructure which other second party internet service providers can link to. Examples of NSPs are Orange, Sprint, AT&T etc.
It typically provides fibre optic cables and core routers which the ISPs link to in order to provide internet exchange for the customers.
Regional service provider (RSP) are basically ISPs operating within a region. Unlike ISPs, they cover only defined regions. Examples are New England's NEARNet which provides internet access for residents of New England and the San Francisco Bay area BARNet for San Francisco Bay resident.
Internet service provider (ISP) are the direct link to the customers. Many NSPs also act as ISPs by using routers that can transfer network from the backbone network exchange to the receiving equipment of the end users such as mobile phones, computers etc. Examples of ISPs are AT&T, Comcast and Verizon.
I think that the best answer to this is foreign investment: it was the one aspect which has helped Bulgarian economy the most.
The foreign investment is mostly connected to tourism - especially for example when rich western Europeans buy property in Bulgaria for private use.
The correct answer is D. Total growth minus increases in capital and labor.
