I’m pretty sure he or she is correct ^^
Answer: A. the mid-ocean ridges
Explanation:
The features that form the longest mountain range on Earth is the mid-ocean ridges and spans about 40,389 miles around the earth.
The mid-ocean ridge has about 90% of its system under the ocean. They are formed as a result of the movement of tectonic plates.
Answer:
part one : d Banking and software production has become the foundation of Europe's economy.
part two : d
Yo diria que se trata de topografia, ya que este muestra un diseño o mapa casi similar al relieve real ,si es que hay depresiones,curvas entre otros.( diria yo aunque la geologia también es algo similiar a ese concepto pero yo diria que es topografia,de todas maneras espero que te sirva)