In Earth's geological history, which one of the following period is…
2026
In Earth's geological history, which one of the following period is characterized by large-scale formation of coal?
- A.
Cambrian period
- B.
Ordovician period
- C.
Silurian period
- D.
Carboniferous period
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Correct answer: D
The Carboniferous period is scientifically recognized as the era characterized by large-scale coal formation, which explains its name. During this time, vast swampy forests accumulated plant material that eventually transformed into coal deposits. The Cambrian period is primarily known for the rapid diversification of multicellular life rather than coal deposits.