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Card 6

Front

give an example of what metomorfic rock is and what it is made out of.

Back

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Card 7

Front

what material is harder Granit limestone or mirble?

Back

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Card 8

Front

how is glass made?

Back

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Card 9

Front

how is cement and concret made?

Back

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Card 10

Front

why is reinforced concrete better than non-reinforced concet as a building material?

Back

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Card 11

Front

list 3 invirometal impacts of extracting rocks from earth

Back

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Card 12

Front

what gets bigger in the pureification prosess Cathode or Anode

Back

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Card 13

Front

what two metals is brass from

Back

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Card 14

Front

Give an example of a smart alloy

Back

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Card 15

Front

What is the word equasion for the corrosion of iron?

Back

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