Answer:
Greenland or Kalaallit Nunnaat in North Africa is the world's largest island.
Measurement: 2.166 million km²
Answer:
The correct answers would be Much grassland has been converted to grow crops, The soil is rich in nutrients, and Many birds of the grasslands build their nests on the ground.
Explanation:
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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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Magma in the Earth's mantle moves in convection currents. The hot core heats the material above it, causing it to rise toward the crust, where it cools. The heat comes from the intense pressure on the rock, combined with the energy released from natural radioactive decay of elements.
