Because those are the type of rocks that contain the most fossils
They are called organic sedimentary rock.
Organic sedimentary rock is comprised of the remains of once living organisms.
They are called organic sedimentary rocks, such as coal and chalk.
Reef Limestone
Lignite, coal and limestone.
The vast majority of fossils are found in sedimentary rocks. Fossils are they key to understanding what living things used to be like.
They are called organic sedimentary rock.
They can learn about evolution, as many living fossils have changed quite a bit over time.
it helps scientist understand living things and life processes at the molecular level Ramos
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.
A sedimentary organic rock is living or was once living like a coral. Chemical is chemically made and is usually man cut.
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
organic/biochemical sedimentary rocks are formed of once-living organisms