The answer is the ocean-continental convergence. This is where the gold of the Inca civilization come from.
<span>most lakes were formed from : melting glaciers
When glaciers melt, the ice that cover it will started to turn into liquid. The force of Gravity will bring this liquid onto the holes on the surface of earth and filling it with water, which is the lakes that we are commonly see</span>
Answer: the length of the two pieces are 54cm and 18cm.