Lignite, coal and limestone.
Dont use wiki its dumb
They are called organic sedimentary rock.
Biosedimentary rocks (i.e. Biologically formed sedimentary rocks). Eg Coal.
Organic sedimentary rock is comprised of the remains of once living organisms.
They would only be organic if the particles or fragments are from a once living organism - sea shells, coral, etc.
organic
Organic sedimentary rock is comprised of the remains of once living organisms.
Organic sedimentary rock is comprised of the remains of once living organisms.
Organic sedimentary rock is comprised of the remains of once living organisms.
Organic sedimentary rocks are formed from the accumulation of once living things. Coal is an example of a sedimentary rock.
organic/biochemical sedimentary rocks are formed of once-living organisms
Dont use wiki its dumb
Organic Sedimentary rock would probably be the best answer!
The awnser is limestone. If you want to look it up look for the peirson succeess science book it's either grade3 or four
Biosedimentary Rock. Eg Coal.
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface. Sedimentary rocks often have distinctive layering or bedding.
They are called organic sedimentary rock.