What is answer ?????

A-a
B-a
C-c
D-b
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A a
B a
C c
D b
  • 3
1 a
2 c
3 c
4 d
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1 . Rusting
2 . Chemical change
3 . Yellow
4 . Silver metal
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A - a
B - a
C - c
D - d
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If you know the answer why you ask to us?
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A-D
B-B
C-C
D-B
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A
A
C
B
  • 1
answer is d
  • 0
A a
B a
C c
D b
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A
A
C
D
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A
A
C
B
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Which changes take place over a long period of time
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Please find this answer

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