Answer:
A pure substance has a definite chemical composition
I had the same question last week and my answer was C. Try that.
Just look here https://www.jiskha.com/search/index.cgi?query=describe+how+you+can+crystallize+potassium+nitrate+fro...
In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.
<h3>What is an abiotic factor?</h3>
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Biotic and abiotic factors make up a community via interaction.
Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.
Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun
Learn more about the abiotic factor here:
brainly.com/question/10111151
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