1) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).

2) Leonardo DiCaprio is an acclaimed American actor and environmental activist. He has starred in numerous successful films, including "Titanic," "The Revenant," and "The Wolf of Wall Street," and has been recognized with several awards, including an Academy Award.

3) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.

4) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.