1) The ocean is home to an incredible variety of marine life, including thousands of species of fish, mammals, reptiles, and invertebrates.

2) Male seahorses are the ones who give birth to their offspring.

3) The Bank of England, established in 1694, is the central bank of the United Kingdom and one of the oldest central banks in the world.

4) The word "guitar" contains three vowels: U, A, and I.