The most abundant resource on Earth is water. Water covers about 71% of the Earth's surface.
There is even more water underneath the earth's crust.
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https://ssec.si.edu/stemvisions-blog/there-ocean-below-your-feet#:~:text=The%20finding%2C%20published%20in%20Science,surface%2C%20is%20trapped%20inside%20rocks.
