DDT is

Options

A. An antibiotic
B. A fertilizer
C. A non-degradable pollutant
D. Dichlorodifluoro titanium

Answer

To answer the question "DDT is:", we will analyze the options provided and determine the correct classification of DDT.

### Step-by-Step Solution:

1. **Identify the Full Form of DDT**:
- DDT stands for Dichlorodiphenyltrichloroethane. This is important as it helps us understand its chemical nature.

2. **Understand the Purpose of DDT**:
- DDT was initially developed and used as an insecticide. Its primary function was to kill insects that harm crops and plants.

3. **Evaluate the Options**:
- **Option 1: Antibiotic** - An antibiotic is a substance that kills or inhibits the growth of bacteria. DDT does not fit this definition, so this option is incorrect.
- **Option 2: Fertilizer** - A fertilizer is used to enhance soil fertility. DDT is not used for this purpose, making this option incorrect as well.
- **Option 3: Non-degradable pollutant** - DDT is known for being non-degradable, meaning it does not break down naturally in the environment. This leads to environmental pollution, making this option correct.
- **Option 4: Dichlorodifluorotitanium** - This is a different chemical compound and is not related to DDT. Therefore, this option is also incorrect.

4. **Conclusion**:
- The correct classification of DDT is that it is a **non-degradable pollutant**.

### Final Answer:
DDT is a non-degradable pollutant.

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