Answer:
They use light to make food.If there is no light, they are not able to make food and hence leading to their death.
Explanation:
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China had:silk, porcelain, and paper
China needed:cotton, horses, and glass
Answer:
Formation. When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust
Explanation:
Answer:
Flood-supported farming led to large agricultural surpluses, which in turn supported the development of cities. ... Such urban centres include Harappa, Ganeriwala, Mohenjo-daro in modern-day Pakistan, and Dholavira, Kalibangan, Rakhigarhi, Rupar, and Lothal in modern-day India.
Explanation:
The release by volcanism of gases that had been trapped in a planetary interior