In which season the depletion of ozone on Antartica takes place and when it is replenished .

Explanation

**Step-by-Step Solution:**

1. **Identify the Season of Ozone Depletion:**
- Ozone depletion in Antarctica primarily occurs during the spring season. This is specifically in the months of September and October.

2. **Explain the Process:**
- During the spring months, the return of sunlight after the polar winter leads to the breakdown of ozone-depleting substances, which results in significant ozone depletion.

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