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Yes, that's where it is usually believed that fossil fuels come from - and that's why they are called "fossil" in the first place.
fossil
Matter is anything that has a mass such as a cell or structure. Energy is derived from matter through catabolic pathways.
the worms fart and create a wonderfull smelling gas
Carnivores depend on other animals for matter and energy.
The chemical energy of the animal who was eaten is passed on to the animal who ate the other animal.
Fossil fuels are produced by the decomposition of animal and vegetable matter over time
Bio-energy is found in organic matter. Examples of bio-energy is fossil fuel, wood, crop residue, logging residue, and animal dung.
Matter can be created from energy, and vice versa. When condensing matter from energy, that energy is stored in the mass, which can later be converted back into energy. Derived from Einsteins equation, the conversion is m=E/c^2. Conversion of a matter anti-matter reaction is 100% efficient.
Fossil fuels are made from plant and vegetable matter that died millions of years ago. The plants and vegetables got their energy from the main energy source around here - our sun. Essentially, fossil fuels can be regarded as stored energy from the sun. We use/release that energy again by burning the fuel.
Fossil Fuels Water at a height above sea level Wind Tides Waves Plant matter Rotting waste Sunlight (as heat or photovoltaic) Animal power Geothermal
No. Fossil fuels like coal and petroleum result due to the carbonization process that occurs during the "fossilization" of trees and plant matter. The meat of a dead bird would not produce any fossil fuels. The death and decomposition of a bird will release greenhouse gasses, just like fossil fuels do when burned for energy, but this does not make the bird a fossil fuel since there is no fuel (for human use) derived from this activity.