Examlex
Multistage area sampling is a cluster sampling approach involving multiple steps.
Ionic Compound
A chemical compound composed of ions held together by electrostatic forces termed ionic bonding, generally formed between metal and non-metal ions.
Calcium
A soft gray alkaline earth metal, symbol Ca, essential for living organisms, particularly in cell physiology and bone formation.
Oxygen
Oxygen, a diatomic gas with the molecular formula O2, is critical for respiration in living organisms and supports combustion.
Ionic Compound
A chemical compound formed by the transfer of electrons from one atom to another, resulting in the formation of positively and negatively charged ions.
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