How many atoms are In 2C2S3

Variety of living organisms; includes genetic, species, and ecological types.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Most of the carbon on earth is stored in the form of