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3/25/21 ES FOSSIL FUELS

Horizontales
The weight of sediments on Peat, squeeze-out water & gases, forming ___Coal.
Petroleum Formation: Micro-organisms accumulate on the ocean ___.
Natural gas is a ____ form of hydrocarbon.
__coal is changed to anthracite, the hardest form of Coal.
Oil collected between particles of interconnected sedimentary rock is called an ___.
__ is produced from the plant remains of an anaerobic environment, such as swamps.
__ is the partial decomposition of plant remains.
Verticales
Petroleum Formation: micro-organisms die in ___ prehistoric oceans & lakes.
Bituminous Coal, known as __ coal, is the most abundant-shiny coal.
When bituminous & anthracite are burned, they produce allot of ___.
When heat and ___, are great enough, organic remains buried by sediments are converted to petroleum & gas!
__, also called oil is a liquid hydrocarbon.
The sun photosynthesized plant & animal remains millions of yrs ago, forming ___ fuel.
Impermeable rock is called ___ rock (where water & hydrocarbons are forced-out of the pores of rock).