Expand the abbreviation :
DDT

Explanation

To expand the abbreviation DDT, follow these steps:

1. **Identify the components of the abbreviation**: The abbreviation DDT consists of three letters: D, D, and T.

2. **Expand the first 'D'**: The first 'D' in DDT stands for "Dichloro".

3. **Expand the second 'D'**: The second 'D' also stands for "Diphenyl".

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