Coral reefs form in warm, shallow waters.
The answer ur looking for is Complementary
Are you talking about like isotonic and hypertonic or are you asking what hypotonic solution means if it was hypotonic the cell would be expanding if it was hypertonic the cell would be shrinking which means more molecules would be going inward in the cell if it was hypertonic if it was hypotonic the molecules would go more on the outside in the water would come in
<span>air = a mixture of nitrogen, oxygen and some other bits
(pure) CO = carbon monoxide, a compound
pure water = H2O, a compound.</span>
