PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
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Carbon, nitrogen, oxygen and hydrogen are the various radioactive elements present in fossils.
Peat, lignite, and coal are essentially compressions of thick accumulations of animal debris.
In petrification minerals such as silica, calcite or pyrite gradually enter and replace the original biological tissue, resulting in a rock-like fossil.
Radioactive carbon dioxide formed during carbon dating is absorbed by plants through photosynthesis.
Answer:
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