The areas are called the "polar regions" or the "polar latitudes."
Even if the earth was tilted, it would still rotate on its own axis. The axis would meet the earth at the poles and the regions surrounding those points would be polar regions. That would be true whatever the earth's tilt.
Yes they are on the opposite poles of the Earth.
Most of these hot and humid regions are in the tropics and subtropics.
The two Earth regions where oxygen is the second most abundant element by volume are the Earth's crust, after silicon, and the Earth's atmosphere, after nitrogen.
Uplift
Uplift
The regions on Earth where life is possible are called habitable zones. These zones are characterized by suitable conditions such as the presence of water, appropriate temperature, and a stable environment that can support life.
Arizona
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In the Volcanic circle
Death Valley