Examlex
Most of the nitrogen in the environment is in the form of nitrogen gas, which is the form used by most organisms.
Semipermeable Membrane
A type of barrier that allows some particles to pass through while preventing others, often used in the context of biological membranes or filtration systems.
Salt
A mineral composed primarily of sodium chloride (NaCl), used in food for flavoring and preservation.
Aqueous Solution
A solution where water is the solvent.
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance, composed of hydrogen and oxygen, vital for all known forms of life.
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