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Which rock most likely formed as a result of biological processes?
Coal.
What is sedimentary rock formed by shells?
Limestone can be formed partly or mostly by visible shell fragments. .
A metamorphic rock made from limestone?
Marble is the metamorphic rock formed from limestone. =)
Were the Bahamas formed by coral?
no it was formed by limestone
What are two important important organic rocks?
Limestone and coal are two important organic rocks.
When most of your limestone and coal formed?
Paleozoic
What is a sedimentary rock formed from materials that were once living?
Lignite, coal and limestone.
Which rock most likely formed as a result of biological processes?
Coal.
What era was the coal forest formed?
Carboniferous and Permian
What kind of sedimentary rock may be formed both chemically and organically?
Conglomerate,Breccia,Sandstone,Siltstone,Shale,Rock salt,Rock gypsum,Dolostone,Limestone,Bituminous coal.
What period were carbons formed in the Earth?
Hydrocarbons and coal were formed in what is known as the carboniferous era.
Match the era on the left with its characteristic on the right?
Precambarian- When earth’s atmosphere formed Mesozoic- Ended with a massive impact Paleozoic- When oxygen-breathing organisms first thrived Cenozoic- Began about 65 million years ago Hope this helps! :)
How are coal and limestone different?
LImestone and coal are different because of their outcomes. Limestone , after the cementing, becomes a rock. Coal, after the pressing together, becomes a fossil.
How is cement formed from limestone?
cement is formed from limestone by combustion of limestone ( heating of the limestone)!
How is concrete formed from limestone?
concrete is formed from limestone by the combustion of the limestone (heating of the limestone)!
How do the coal and limestone specimen differ in appearance?
Coal is easily seen as black. Limestone is usually gray. Coal has no real features to it. Limestone has shells, and other things.
Why are coal and limestone sometimes referred to as biological rocks?
Because they are primarily formed of organic materials.Read more: Why_are_limestone_and_coal_sometimes_referred_to_as_biological_rocks
