Final answer:
The Interior Plains of Canada, specifically the region known as the Badlands in Alberta, have an abundance of Mesozoic Era fossils, including dinosaurs.
Step-by-step explanation:
The correct answer is d) Interior Plains.
The Interior Plains of Canada, specifically the region known as the Badlands in Alberta, have an abundance of Mesozoic Era fossils, including dinosaurs. The area is famous for its dinosaur discoveries, such as the Royal Tyrrell Museum of Palaeontology in Drumheller, where many dinosaur fossils have been found. The Badlands have provided valuable insights into the prehistoric world and the diversity of life that existed during the Mesozoic Era.