1. Palk Strait is a strait between the Indian state of Tamil Nadu and the Mannar district of the Northern Province of Sri Lanka.

2. This strait connects the Bay of Bengal to the Palk Bay in the north-east and then to the Gulf of Mannar in the south-west.

3. The strait that separates India and Sri Lanka is the Palak Strait.

Blue Jay or Indian Roller is the state bird of 3 Indian states. The Blue Jay or Indian Roller is also known as Coracias benghalensis.

1. During an earthquake, the velocity of the upper part of the waves will increase along with the increase in density which will propel the object passing through it.

2. Earthquake shock When seismic waves occur in a place with soft soil sediments, their propagation increases the natural period, which produces an echo.

This institution started functioning on 1 October 1958. Since then, all American space exploration programs have been operated by NASA, including the Apollo moon missions, the Skylab space station, and later the Space Shuttle.