Why do we need the earth's crust?
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The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet. In relative terms, it's thickness is like that of the skin of an apple. It amounts to less than half of 1 percent of the planet's total mass but plays a vital role in most of Earth's natural cycles. read more
Source: thoughtco.com
If we didnt have the crust, there would be no place for plants so there would be no photosynthesis which means no oxygen. So in order to have the life we have now on earth we have to have the earth's crust. read more
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The Earth's Crust: Everything You Need to Know
www.thoughtco.com
Unknown Earth: Why does Earth have plate tectonics?
www.newscientist.com
