There would be no water in the earth to drink, and as we all know that water is the most important essence in our daily lives.
IM GUESSING ENTIRELY BECAUSE THE GALAXY IS SO FAR AWAY THAT KNOW BODY EVER SEEN IT ITS IMPOSSIBLE FOR US TO MAKE IT THERE ITS ALOT LIGHTYEARS AWAY
NON CONVENTIONAL =
Energy generated by using wind, tides, solar geothermal heat and biomass including farm and animal waste as well as human excreta is known as non-conventional energy. All these sources are renewable or inexhaustible and do not cause environment pollution. More over they do not require heavy expenditure.
CONVENTIONAL=
Conventional energy means the energy source which is obtained from fixed reserves in nature like oil, gas and coal. In other words conventional energy is also termed as non-renewable energy sources, or fossil fuels.