1) Banks provide various financial products, including savings accounts, checking accounts, credit cards, mortgages, and investment services.

2) The hibiscus flower is commonly associated with tropical regions and is the national flower of several countries, including Malaysia, South Korea, and Haiti.

3) The first commercial mobile phone, the Motorola DynaTAC 8000X, was released in 1983 and weighed nearly 2 pounds.

4) Bats are the only mammals capable of sustained flight.