Examlex
The energy content and biomass of ______________ is lowest in any food web.
Abundant Elements
Chemical elements that occur in large quantities in Earth's crust, atmosphere, or oceans, such as oxygen, silicon, and aluminum.
Calcium Carbonate
A chemical compound with the formula CaCO3, commonly found in rocks as the minerals calcite and aragonite and is the main component of pearls, the shells of marine organisms, snails, and eggs.
Protons
Positively charged subatomic particles found in the nucleus of an atom.
Neutrons
Subatomic particles found in the nucleus of an atom, with no electrical charge and a mass slightly greater than that of protons.
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