Answer:
A. Or four.
Explanation:it should be 4. It should be 4 because I think that the answer for the question about the what type of indicators are defined by the categories represented as letters is four.
Step-by-step explanation:
it should be 4. It should be 4 because I think that the answer for the question about the what type of indicators are defined by the categories represented as letters is four.
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