Cork is made of which natural resource? A. Seeds B. Animal fat

cork-is-made-of-which-natural-resource-a-seeds-b-animal-fat

Cork is made of which natural resource?

A. Seeds

B. Animal fat

C. Fossils

D. Bark of Oak

I had been asked this question in examination.

My doubt is from Leakage Preventers in division Fuels, Intake System & Leakage Preventers of Automotive Engine Design

The correct answer is D. Bark of Oak

For explanation: Cork is one of the oldest gasket materials obtained from the bark of oak and pine trees and oil-resistant synthetic rubber gaskets are frequently used in oil pan corner joints.