True. Models may change as new discoveries are made. An example of this would be the plum pudding model developed by J.J Thomson.
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.
the answer is Greenwich, England.
Watermelon and rubber bands; shows weakness of how the watermelon has evolved over time?
