It is a true fact that the Rio Grande and the Rio Bravo del Norte are two different names for the same river. The correct option among the two options that are given in the question is the first option. The river is called by the name of Rio Grande in the United States of America and the same river is called by the name of Rio Bravo del Norte in Mexico.
The correct answer is - D. It is impossible to dig through the ice on Antarctica.
Even though the technology is much more advanced nowadays than in the past, the extraction of the numerous natural resources from Antarctica is still pretty much impossible because of the ice cover over the continent.
On average, the ice is around 2 km thick on top of the landmass. Considering the fact that in order to get to the resources, the people will have to dig even more into the ground after they manage to break through the ice, makes it almost impossible, and not to mention economically unjustifiable.
They decline . or get overtaken .
The answer is A.....I think, lel
