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Which term describes the sphere of Earth encompassing all life and their ecological interactions?

To achieve a geosynchronous Earth orbit, a spacecraft should initially be launched into an elliptical orbit with what approximate apoapsis altitude?

Identify the item that is not an astronomical object:

The "Grand Canyon," one of the largest gorges in the world, is formed by which river?

The McMahon Line serves as a de facto boundary between which two countries?

Popocatepetl volcano, which was in news recently, is located in which country?

Which of the following divides India into northern and Southern parts?

Tuju pass joins?

In which part of India is Joha rice, known for its aromatic quality, primarily grown?

A cyclone is known by different names in different parts of the world. It is called a ‘________________’ in Japan and Philippines.