What are the theories of origin of petroleum?

It is thought to have been formed by the decay of algae and other soft vegetablr material, which was subsequently buried under sedimentary rock and over a very long time turned into petroleum.

The Big Bang is the cosmological model of the initial conditions and subsequent development of the Universe that is supported by the most comprehensive and accurate explanations from current...

rice cultivators in Japan wondered what wasin between organelles, what microscopes couldn't see then, until they invented a better microscope to see that

First there was the sun, a giant nuclear fusion system. This early sun was of course victim of collissions with other bodies of different sizes and masses. Sometimes a body had dimensions of mass and...

Einstein's paper on the photoelectric effect (written about same time as special relativity paper) Planck's work Schrodinger's work Heisenberg's work etc.