Fill in the following blanks with suitable words :
The leather objects that are left in hot and humid weather for long time are spoiled due to the growth of ……………….

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Context**: The question asks us to fill in a blank regarding what causes leather objects to spoil when left in hot and humid conditions.

2. **Identifying the Organism**: From the video transcript, it is mentioned that leather objects spoil due to the growth of a specific type of organism.

3. **Recognizing the Type of Organism**: The organism responsible for the spoilage of leather in hot and humid conditions is identified as fungi.

4. **Conclusion**: Therefore, the complete sentence would read: "The leather objects that are left in hot and humid weather for a long time are spoiled due to the growth of **fungi**."

**Final Answer**: Fungi

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