1) The Andes, stretching along the western coast of South America, is the longest mountain range in the world, spanning over 4,300 miles (7,000 kilometers).

2) The largest known dinosaur, Argentinosaurus, weighed around 70-100 tons and measured up to 100 feet in length.

3) The English alphabet has five vowels: A, E, I, O, and U.

4) The word "banana" contains three vowels: A, A, and A.