Photochemical smog
Fossil fuels are formed on Earth, not on Sun.
Coal is an organic sedimentary rock that is considered a solid fossil fuel.
The rate at which the rock cool from the liquid magma determines their texture
Petrified fossil
the conditions under which the organism died and how it was buried
The rate of cooling of the magma determines the type of mineral formed by the magma or lava..
It determines whether a fossil is formed before or after another fossil. In other words, it's finding out if something is older or younger.
petrified
frozen fossil
skeletonized
It is called a mold fossil.
Photochemical smog
The DNA code ... it assigns each amino acid in the sequence.
coal is a type of solid fossil fuel and is formed from the remains of plant life.
The fossil that is formed when an organism is buried in sediment and hardens into rock is called a cast fossil, in which the empty space serves as a mold.
fossil fuel