Question

introduction on developed and developing countries

Answer 1

Developed Country :- a developed country is a sovereign state that has a highly developed economy and advanced technological infrastructures.
Developing Countries :- a developing country is a nation with an undeveloped industrial base.

Answer 2

Developed country also known as industrialised country is a sovereign state that has a highly developed economy and highly developed infrastructure. example: USA, Japan etc.
Developing country also know as less developed country or underdeveloped country is a nation with an underdeveloped industrial base, and a low human developement index. example: India, Bangladesh etc.