Choose the odd one.

Answer: Option D

Explanation:

All except Valley are elevated features.

Answer: Option C

Explanation:

All except Diagonal are associated with circle.

Answer: Option A

Explanation:

All except Distress are adjectives, while Distress in a noun.

Answer: Option A

Explanation:

All except Barber requires raw material to work.

Interesting isn't.

Answer: Option B

Explanation:

All except pearl are different forms of carbon.