Oil is formed when sediment layers push on what sort of algae?
coral living rich healthy dead life fungi peat
A B C D E F G H
When the algae die they decompose.
Oil is formed when sediment layers push on dead algae.
Oil is formed when sediment layers push on what sort of algae? (A) coral (B) living (C) rich (D) healthy (E) dead (F) life (G) fungi (H) peat