Lying between the states of pennsylvania and Maryland, which imaginary line divided the 'Slave States' from the 'Free States' in pre-Civil war America?
Manas National Park or Manas Wildlife Sanctuary is a national park, UNESCO Natural World Heritage site in Assam is known for Elephants. It is located in the Himalayan foothills.
A star is a self luminous astronomical object and shines due to internal radiation from the enrgy sources. All stars are held together by their own gravity called Gravitational force.