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a measure of acidity or alkalinity.
the process whereby substances dissolved in the blood (such as H+ ions, nitrogenous waste and...
a multi nucleate (many nuclei) cell resulting from cell fusions of uninuclear cells.
a clear, colourless solution of hydrogen chloride (HCl) in water. It is a strong and highly...
simple chemical substances needed by the body in relatively small amounts for normal growth and...
the collection and disposal or recycling of waste materials and the monitoring of waste.