There are Seven NORTH AMERICA
EUROPE
ASIA
SOUTH AMERICA
AFRICA
AUSTRALIA
ANTARCTICA
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Because circumpolar constellations never rise or set, they provide reliable reference points for astronavigation. Knowing the circumpolar constellations in each hemisphere allows navigators to find their way using only the stars.
Answer:
Someone should probably not live near the belt of fire because of there being so much volcanic action and frequent earthquakes. Unless, you go there studying earth quakes and volcanoes.
Explanation:
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Answer:
Heat
Explanation:
As the radioactive materials experience degradation, as underneath the surface in the earth's surface, enormous amounts of heat are generated to send their daughters products.