Explanation: To understand the context of the given statements, we need to delve into the specifics of each statement and the broader context of Tamil Nadu's geography and cultural heritage.
1. **Dirty Plastics and Recycling**: The first statement claims that dirty plastics are easy to recycle. This is a misconception. Recycling plastics involves several steps, including collection, sorting, cleaning, and processing. Dirty plastics, which may contain contaminants like food residues, dirt, or other materials, require additional cleaning processes to be effectively recycled. This makes the recycling of dirty plastics more complex and less efficient compared to clean plastics. Therefore, the first statement is false.
2. **Tamil Nadu as a South Indian State**: The second statement asserts that Tamil Nadu is a South Indian state. This is a factual statement. Tamil Nadu is one of the southernmost states in India, located in the southern part of the Indian peninsula. It is bordered by the states of Karnataka to the west, Kerala to the west and southwest, and the Union Territory of Puducherry to the north. The Bay of Bengal lies to the east of Tamil Nadu. This statement is true.
3. **Periyapuranam as a Unique Inscription**: The third statement claims that Periyapuranam is a unique twelfth-century Tamil inscription that provides insights into the lives of ordinary men. This statement is also true. Periyapuranam, also known as Tiruttondar Puranam, is a Tamil epic poem composed by Sekkizhar in the 12th century. It is a significant work in Tamil literature that narrates the lives of the 63 Nayanars, who were devotees of Lord Shiva. The work is unique because it not only focuses on the lives of saints but also provides a glimpse into the social and cultural life of ordinary people during that period. This makes Periyapuranam a valuable historical and literary resource.
In conclusion, the correct answer is (D) Only 2, 3. The second and third statements are true, while the first statement is false. Understanding the complexities of recycling, the geographical location of Tamil Nadu, and the historical significance of Periyapuranam is crucial for comprehending the context of these statements.