derived from the sun and not derived from the sun
What were the 2 sources of energy suggested by oparin theory
Coal and uranium
sun and water
1) the "big bang" 2) locally - the sun
what is origin of non-renewable energy sources, including how energy became trapped in these souces
What were the 2 sources of energy suggested by oparin theory
Primary sources and secondary sources
what are the sources of the fiber
Coal and uranium
sun
True
hydro power, solar power
sun and water
In general terms, there are two things we (mankind) can work on.1) Waste less energy. 2) Get access to new energy sources, and especially, to the so-called "renewable" energy sources, meaning, energy sources that will continue working for millions of years.
What are iran's energy sources?
Photosynthesis is one of them
That's because 1) we need energy, and 2) there are certain problems with conventional energy sources - including scarcity of the resources, and pollution.