Tamil Nadu’s coastline is known for its:

Tamil Nadu’s coastline is known for its sandy beaches. The state has a long coastline of about 1,000 kilometers, and its beaches are some of the most beautiful in the world. The beaches are known for their white sand, clear water, and palm trees. They are also popular for swimming, sunbathing, and surfing.

Here is a brief description of each option:

• Sandy beaches are beaches that are made up of sand. They are usually found in tropical and subtropical climates. Sandy beaches are popular for swimming, sunbathing, and surfing.
• Rocky cliffs are cliffs that are made up of rocks. They are usually found in coastal areas. Rocky cliffs can be dangerous, as they can be slippery and there is a risk of falling.
• Mangrove forests are forests that are found in coastal areas. They are made up of mangrove trees, which are trees that are adapted to living in salty water. Mangrove forests are important for protecting coastlines from erosion and storms.
• Coral reefs are reefs that are made up of coral. They are usually found in tropical and subtropical waters. Coral reefs are important for marine life, as they provide a home for many different species of fish and other animals.