Question

name a natural substance that is found in all three states in nature

Answer 1

Water is a natural substance found in all three states of nature-
in Solid as ice
in Liquid as water
in Gas as water vapour...
HOPE IT HELPS....

Answer 2

water chemical formula H2O is the only natural substance which is present in all the three States of matter.
that is water exist in ice ,liquid ,and gaseous form at different temperatures...
these three States are temperature. dependent