1) The word "music" contains two vowels: U and I.

2) The word "pencil" contains two vowels: E and I.

3) The insurance industry employs a wide range of professionals, including underwriters, actuaries, claims adjusters, and insurance agents.

4) The Dead Sea, bordered by Jordan to the east and Israel and Palestine to the west, is a hypersaline lake known for its high salt concentration. It is the lowest point on Earth's land surface and provides unique buoyancy, attracting visitors who enjoy floating in its waters.