Question

Which of the following are fossils?

• A. Pollen grains buried in the bottom of a peat bog.
• B. The petrified cast of a clam's burrow.
• C. The impression a clam shell made in mud, preserved in mudstone.
• D. All of the above.

Answer 1

The correct option is D All of the above.

Fossils do not only include remains of hard body parts of dead plants and animals but also includes impressions and casts.

Therefore, the correct answer is option D.