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n200080 [17]
3 years ago
8

For what purpose is the mineral corundum commonly used?

Biology
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.

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It adapted and became resistant to penicillin

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The modern seed plant phyla of ginkgos, cycads, conifers, and gnetophytes are collectively known as?
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Phylum is a taxonomic rank below state and above magnificence in the organic class, particularly of animals. In plant life, the corresponding rank is department. instance: Phylum Chordata consists of magnificence Mammalia (mammals), magnificence Aves (birds), magnificence Ascidiacea (sea squirts), and so forth.

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Learn more about phyla here: brainly.com/question/1140420

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2 years ago
Which best explains how greenhouse gases heat the earth?
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Hey there, whats up

the answer is: <span>they trap heat in the atmosphere, warming the planet



hope it helps ;) good luck
</span>
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HCI+Na&gt;NaCl+H2 what is the answer
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Here's the balanced chemical equation for the given Reaction,

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i hope it helped you......

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