Multiple choice

Coal was formed over a long period of time under high pressure and temperature conditions by the decomposition of dead vegetation. This process is called as _________.

  1. evaporation

  2. carbonisation

  3. transpiration

  4. winnowing

  5. melting

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbonisation is the term for the conversion of an organic substance into carbon or a carbon-containing residue through paralysis or destructive distillation.