Mixture, salt + water + other minerals + fish
it's an elementsulfur and iron are elements
a mineral. sodium chloride to be exact.
compound or mixture
A lot of substances are not air pollutant. You must specify which kind of substance do you refer as a probable air pollutant.
the ocean is a mixture.
a mixture is not a substance
it is a mixture.
salty ocean water is a solution.
blank is a kind if blank that refers to a substance's ability to burn
salt
A valuable substance beneath the ocean floor often includes gold, crystal and many other substances. Where these are found varies.
It depends what kind of ocean.
Ocean
A chemical reaction is a kind of combining that results in a new substance.
It's a substance
The kind of substance that an aphrodisiac is is a substance that enhances sexual desire. The term comes from Aphrodite who is the Greek goddess of sexuality and love.