1) The NBA (National Basketball Association) is widely regarded as one of the most popular and competitive professional basketball leagues in the world.

2) The role of the judiciary is to interpret laws, resolve disputes, and ensure justice in accordance with legal principles and the constitution. It serves as a check on the executive and legislative branches of government.

3) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active.

4) Elvis Presley, often referred to as the "King of Rock and Roll," has sold over one billion records worldwide.