The correct sequence showing the increasing concentration of gases is Ozone, Carbon dioxide, Oxygen and Nitrogen. Ozone exists only in trace amounts, while carbon dioxide makes up about 0.04% of the atmosphere. Oxygen is much more abundant at 21% and ...
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Mineral Oil (Petroleum) is rarely found in plateaus. Petroleum requires sedimentary basins (like river deltas or shallow sea beds) where organic matter was buried and transformed. Plateaus are typically composed of ancient, hard crystalline or volcanic rocks (like the Deccan ...
The Appalachians are considered Relict (or Residual) Mountains because they are the eroded remains of a once-towering range. Originally formed over 250 million years ago, they were once as high as the Alps. Millions of years of wind, water and ...
The Deccan Traps were formed nearly 66 million years ago by fissure eruptions, where highly fluid basaltic lava flowed out of long cracks in the Earth’s crust. This “flood basalt” covered over 500,000 square kilometers, creating a stepped (trap) landscape. ...
The Himalayas originated from the Tethys geosyncline. Millions of years ago, a long, narrow, shallow sea called the Tethys existed between the northern Angaraland and southern Gondwanaland. As the Indian plate moved north, the sediments deposited in the Tethys were ...