If we will base our answer on Hertzsprung diagram, we
will see that mass and luminosity are directly related, which means, long lived
stars begin their lives with more mass and a larger amount of hydrogen fuel,
hence hydrogen is abundant before than now. They are more luminous during their
main sequence lives. Giant stars and supergiant
stars have great masses, so, they have greater luminosities.
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Answer:
Some of the coast fit together like a puzzle.
Explanation:
also some of the same rocks and fossils are found on different continents.
Answer:
Claiming Antarctica as a territory
Explanation:
The main purpose of the Antarctic Treaty, which was signed in Washington on December 1, 1959, is to ensure 'in the interest of all mankind that Antarctica shall continue for ever to be used exclusively for peaceful purposes and shall not be claimed by anyone or " free for all "
