Question

By what method, the age of biological fossils can be decided ?​

Answer 1

Answer:

if they are decades old

Explanation:

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Answer 2

Answer:

Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.