Answer:
Explanation:
This molecular breakdown produces thermogenic methane—natural gas. Methane, probably the most abundant organic compound on Earth, is made of carbon and hydrogen (CH4). ... Landfills, for example, are full of decomposing matter that methanogens break down into a type of methane called biogenic methane.
The answer is; plankton
The major group of plankton that contribute to earth’ crude oil are phytoplanktons because of their great numbers – even though they are microscopic. They are the base of the food chains in the oceans because they are the main primary producers. Examples of phytoplankton are the dinoflagellates, cyanobacteria, diatoms and blue-green algae.
