Definition of conventional and non conventional energy
Conventional sources are the same as conventional sources.
This is the technology that is conventional
It is conventional because water is natural
non conventional
The difference between conventional and non conventional energy resources is that conventional energy resources are much more common. An example of a conventional energy resource would be oil, a non conventional energy resource would be solar power.
Whether conventional or non-conventional is better is a matter of opinion and circumstance. Different people have different answers.
The Korean War was a conventional war (Limited to non-atomic weapons) that bordered on total war when Red China entered the conflict.
A guerrilla war until 1964/65; escalated into a conventional war in 1964/65, commencing with the naval battle in the Gulf of Tonkin on 02 August 1964.
Flexible Response was the use of conventional forces and weapons as an alternative to nuclear war.
What are the conventional formulae?
A tank that is conventional