Rocks are very useful to us. The hard rocks are used
for making roads, houses and buildings. You use stones
in many games. For example, seven stones.
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
Limestone is the rock that is most useful to modern industrial countries because it is the source for the main ingredient in cement.
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.