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Which of the following pairs is most suitable for ascertaining the origin of the rocks?
Colour and shape
Size and weight
Density and hardness
Structure and composition
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
By: Parvesh Mehta ProfileResourcesReport error
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