Which element is used in the manufacture of insecticides and pesticides and pesticides like DDT and BHC ?

Explanation

To answer the question about which element is used in the manufacture of insecticides and pesticides like DDT and BHC, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Chemical Names:**
- First, we need to look at the full names of the pesticides mentioned in the question.
- DDT stands for **Dichloro-Diphenyl-Trichloroethane**.
- BHC stands for **Benzene Hexachloride**.
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