Fossil fuels such as coal, oil, and natural gas were formed over millions of years by

Fossil Fuels such as coal, oil, and natural gas were formed over millions of years by organic matter like plankton, plants and other life forms!

Hello!

Your answer should be plants. That's what it was formed most of.

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Answer carbon dioxide ice;

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.