Solution:
The Trans-Andean railway connects Buenos Aires with Valparaiso.

Solution:
Mountain of accumulation is Volcanic mountains. The mountains formed by the accumulation of volcanic materials are called as Volcanic Mountains or Mountains of accumulation.

Solution:
The most typical Australian tree which sheds its bark instead of leaves is Eucalyptus. Shedding eucalyptus tree bark may help keep the tree healthy. As the tree sheds its bark, it also sheds any mosses, lichens, fungi and parasites that may live on the bark. Some peeling bark can perform photosynthesis, contributing to the rapid growth and overall health of the tree.

Solution:
The tip of South America is Cape Horn. Cape Horn, the southernmost tip of South America, remain a maritime legend to this day, as sailing around this remote point and then through the Drake Passage was (and is) one of the most challenging nautical routes on the planet.

Solution:
Savanna is a Grassland. The savanna is a type of grasslands biome. The savanna is sometimes called the tropical grasslands.

Solution:
The formation of Extrusive rocks takes place by solidification of magma above the earth's surface. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface.

Solution:
The busiest inland water-way of Europe is the Rhine. Its preeminence as a waterway rests on the fact that its course is never frozen.