1) The Victoria Amazonica water lily has leaves that can grow up to 10 feet (3 meters) in diameter, making it one of the largest aquatic plants.

2) Dwayne "The Rock" Johnson is an American actor, producer, and former professional wrestler. He has become one of the highest-paid actors in Hollywood, known for his roles in films such as the "Fast & Furious" franchise, "Jumanji," and "Moana."

3) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.

4) The Appalachian Mountains, running along the eastern coast of the United States, are one of the oldest mountain ranges in the world.