Examlex
Even though methyl amine (CH3NH2) has a higher molecular weight than water (H2O),its boiling point is much lower than water's boiling point since water has hydrogen bonding attractive forces.
Iron Ore
Naturally occurring rocks from which iron (Fe) can be economically extracted, constituting a key raw material for steel production.
Coal
The natural, brown to black rock derived from peat and other plant materials that have been buried, compacted, and heated; used for heating and to generate electricity.
Marine Organisms
Living creatures that inhabit the ocean, ranging from microscopic phytoplankton to large whales, adapted to the marine environment.
Organic Material
Matter derived from living organisms, including plants, animals, and their byproducts, which can decompose into soil.
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