Answer: volcanoes, ocean trenches, mountain trenches, hydrothermal vents, and sites of earthquake activity.
The Pacific Plate, which drives much of the tectonic activity in the Ring of Fire, is cooling off.
Explanation:
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it is more likely for city states to form because it is very hard for one person to control all this separated land
Kuiper airborne observatory witnessed a BIRTH of the stars in 1977.
Its flight from Perth, Australia lead to the discovery of
the nine rings of Uranus. Scientists also exposed embryonic stars hidden within
dust clouds. Embryonic stars are also called protostars, stars that being born
from a dense, interstellar cloud yet to sustain nuclear fusion.
They had to cross the Himalayas, Karakorum, and Kunlun mountain ranges