Question

which geologic feature was formed by continental - continental convergence?
japan
the appalachian mountains
the mariana trench
the andes

Explanation:

To solve this, we analyze each option:

• Japan: Formed by oceanic - continental convergence.
• The Appalachian Mountains: Formed by continental - continental convergence (when ancient continents collided).
• The Mariana Trench: Formed by oceanic - oceanic convergence (subduction of one oceanic plate under another).
• The Andes: Formed by oceanic - continental convergence (subduction of an oceanic plate under a continental plate).

Answer:

B. the Appalachian Mountains