That is know as the Kuiper Belt.
Answer:
The stars mass (once it becomes a star) is inversely proportional to its lifetime as a main sequence star. A red dwarf can survive for many billions of years; a star that has twice the mass of the Sun, such as Sirius A, will have 25% of the Suns lifetime.
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Explanation:
I believe it is Sophia, or Sofia.
Answer:
The distribution of plants and animals are changed.
Explanation:
If there is a change occur in one part of the Ecozone so the animals and plants present in that ecozone migrated or die if there is no tolerance present in it. Change in ecozone occur due to climate change around the world. Due to global warming, the climate of ecozone changes which is not suitable for the animals and plants living in that ecozones so they migrated to other suitable regions and only those plants and animals survive which have tolerance in their body against that change.