You are presented with the question "Where are gold and silver formed naturally?" and the following answer choices: 
- inactive
 - Near platinum alloys
 - electrically
 - aqueous solution
 - eukyarotes
 - In a royal palace
 - Above ground
 - Underground

Now knowing that vein deposits of gold and silver are formed by igneous intrusion and intrusive igneous rocks form underground, choose the best answer.


 

        Underground 