Examlex
Remote sensing images cannot distinguish between land, ice, and water by their temperature. True or False?
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.
Aluminum
Aluminum is a lightweight, silver-white metallic element (Al) used extensively in alloys and for its properties of corrosion resistance and high conductivity.
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