Examlex
Match the following minerals of elements with their description
a.uranium 238
b.carbon 14
c.zircon
d.iridium
e.tektites
-mineral which is found in asteroids and the K-T boundary layer
Alkaline
Having a pH greater than 7, indicating a base where concentration of hydroxide ions is greater than that of hydrogen ions.
Blood
A body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.
pH
A scale measuring the acidity or alkalinity of a solution, where 7 is neutral, values below 7 are acidic, and values above 7 are alkaline.
Buffers
Substances that minimize changes in the pH of a solution by absorbing or releasing hydrogen ions.
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