Multiple choice

Tar sands containing large molecular hydrocarbon like crude are found in limited quantities in several parts of the world but most important known occurrence is in

  1. USA

  2. Canada

  3. Australia

  4. Russia

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

Canada, specifically Alberta, holds the world's largest known deposits of tar sands (oil sands). The Athabasca oil sands in Alberta are the most significant tar sand resource globally. While tar sands exist elsewhere, Canada's deposits are by far the largest and most economically significant.