Non luminous sournes : those sources whigh don't give their own light but reflected .
eg: moon , mirror , earth , plastic , metals , plants , human , etc .
(hope you understand it :) )
Sources of what?
The sources that can give out their own light are "Light Sources" and the same opposite the sources which can not give out their own light are know as Non Light Sources .
It is an interpretation
"In Good Hands" is an example of a catchy slogan on conventional sources. "American By Birth Rebel By Choice" is an example of the non-convectional sources slogan.
Non-conventional sources of energy are generally considered better because they are renewable and have lower environmental impacts compared to conventional sources such as fossil fuels. Non-conventional sources like solar, wind, and hydro power offer sustainable alternatives for the future.
Renewable energy sources use various non petroleum, non wood, non peat, non nuclear sources for fuel energy, typically to produce electricity. Petroleum, wood, peat, and nuclear energy are non renewable sources because they can be depleted faster than they can be replaced. The main way these energy sources are alike is they are all used to produce electricity.
By using renewable sources
we need these sources because these sources are recycle-able. This fact makes non conventional sources are most beneficial and useful. the conventional sources are very rare in this word and nearly will finished and these can't recycle.
the 3 non i.c.t sources are Magazines Newspapers Encyclopedia
Five sources of non-renewable energy:CoalOilNatural gasNuclear (uranium)Rainforest timber
Brahmadeva Prasad Ambashthya has written: 'Non-Persian sources on Indian medieval history' -- subject(s): History, Sources 'Non-Persian sources of Indian medieval history' -- subject(s): History, Sources
Most of Ontario's energy comes from non-renewable sources such as natural gas and nuclear power. While the province has been investing in renewable energy sources like hydroelectric and wind power, the majority of its energy still comes from non-renewable sources.