The Andes mountains are the longest of all of the world’s continental mountain ranges. which of the following correctly explains how this mountain range was formed? a. tectonic plates collided, and earth’s crust was pushed upwards b. tectonic plates separated, and exposed magma boiled upwards. c. tectonic plates slide past each other and pushed material upwards. d. tectonic plates collided, and thousands of volcanoes were formed.

Option C

Explanation:

The Andes Mountain Range formed by the subduction of two plates i.e Nazca Plate and the  South American Plate. The Nazca plate (tectonic plate, low density) subducted under the South American Plate (continental plates, dense).

Hence, option C is correct

The Union's industrial and money-based ability (to hold or do something) flew (beautifully)/increased during the war as the North continued its fast (when a country builds factories and manufactures lots of things) to hold back the fighting against authority. In the South, a smaller industrial base, fewer rail lines, and a farming-based (process of people making, selling, and buying things) based upon slave labor made getting (something) ready for action of useful things/valuable supplies harder.

Explanation: