Limestone. limestone is the youngest.
The Chinese Russian border or the Sino Russian border is the international border between China and Russia
A piece of puzzle
Explanation:
From the shape of Africa and South America, I will infer that both continents are pieces of giant puzzle.
The two continents will fit in perfectly well.
- this was part of the idea Alfred Wegener presented to explain the theory of continental drift in 1912.
- he suggested some parts of the earth would fit perfectly well as pieces of giant puzzle.
- The West coast of Africa fits smoothly with the Eastern coast of Brazil.
- Although this idea is correct, it is not scientific
learn more:
Continental drift brainly.com/question/5002949
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It is located in the Aburrá Valley, a central region of the Andes Mountains in South America.
