Multiple choice

Why are coal and petroleum exhaustible substances?

  1. They take millions of years for their formation.

  2. Their availability is limited to a particular site.

  3. There is an unavailability of alternate resources.

  4. There is limited biomass for their formation.

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

Coal and petroleum take millions of years to form. Due to this reason, they are exhaustible substances.