What do earth scientists study? what are some areas that they investigate? what kinds of questions do they ask? why is it important to study earth science?

Hiya I think this is the answer

Someone who studies history of earth he also reports on the changes that are constantly changing the earth.
Universe
What size of room is it
So nothing goes wrong

Sorry I'm not very good at science but I tried my hardest
we be friends yo  

  

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Rn in the right answer