nothing
phylum
In classifying rocks, there are many properties that can be useful. In my opinion, either color or texture is most useful in classifying a rock or mineral.
to tell if they are alike without classifying you would not be able to identify something that is alike
Constituents, appearance, shape, and taste are used to classifying materials. This is useful because materials with similar properties can be placed in the same category.
taxonomy key
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Snakes don't help humans..but they are useful for entertainment..but are dangerous.
The property most useful for the identification of sulfur is its characteristic smell, often described as similar to that of rotten eggs.
I consider that this information is the electronegativity.
its not useful for the refrigerator its useful for humans only....
I'm pretty sure its to keep warm like if u had no eyebrows or your bald ,lets say all the hair on your body was gone you would be chili most of the timeHumans are mammals, and this is a common characteristic of the class. Hair is useful for many things in mammals, protection, warmth, camouflage, and so on.
No. tapeworms are pest to humans.