Rocks may help in building stable stone structures, such as fireplaces, bridges, and houses.
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.
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it isn't
Nobody
Index fossils
rocks and minerals
Snakes don't help humans..but they are useful for entertainment..but are dangerous.
its not useful for the refrigerator its useful for humans only....
Mainly because the fossils of plants and animals preserved in the sediment layers allow dating of events that happened before humans existed.
No. tapeworms are pest to humans.
its not useful for the refrigerator its useful for humans only....
Rocks are the natural resources humans use in buildings and road constructions, to name only two.
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.
slate and marble
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ores are rocks that are mined
they damage the wetlands which are useful for humans.