How do we determine the age of fossil?
The correct answer is option D (C12 isotopes changes into C14 in fixed time).
Relative dating is used to determine a fossils approximate age by comparing it to a similar rock and with different fossils of known age. Whereas, absolute dating is used to determine a precise age of a fossil and radiometric dating is used to measure the decay of isotopes within the fossil or the rocks associated with it.
A man suffering from anaemia feels tired after a short work. Explain. 1
Compose a dialogue between two friends about the causes and effects of the second world war. 1
Prepare a story including to causes and effects of the first world war. 1
How does seismograph measure the magnitude of the earthquake. 1
Though earthquake can not be prevented, its damages can be minimized: 1
What is the rate of decrease of temperature per kilometer as we go up in troposphere. 1
SEE 2077 Preparation Group
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