Country contributed maximum to hole formation in ozone layer is

Options

A. Russia
B. Japan
C. USA
D. Germany

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which country contributed the most to the formation of the ozone layer hole. This requires knowledge of the countries responsible for ozone-depleting substances.

2. **Identifying Ozone-Depleting Substances**: The primary substances responsible for ozone layer depletion are chlorofluorocarbons (CFCs). These chemicals are released into the atmosphere from various sources, particularly from refrigeration and air conditioning systems.

3. **Analyzing the Options**: The options provided are:
- Russia
- Japan
- USA
- Germany

4. **Researching Historical Data**: Historically, the United States has been one of the largest producers and consumers of CFCs. This extensive use in household appliances and industrial applications has significantly contributed to ozone layer depletion.

5. **Conclusion**: Based on the information gathered, the country that contributed the most to the formation of the ozone layer hole is the **USA**.

**Final Answer**: The country that contributed maximum to hole formation in the ozone layer is **USA**.

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