Answer: It must have a subject and a predicate. An example of a simple, complete sentence is “She sleeps.” She is the subject; sleeps is the predicate.

Guinness was founded when Arthur Guinness bought a small brewery in Dublin in 1759. At first the brewery produced a variety of ales and beers, but in 1799 it was decided to concentrate exclusively on porter, a dark beer with a rich head.

The Beatles' first UK studio album was Please Please Me, released on March 22, 1963. The album was produced by George Martin and released on EMI's Parlophone label.

The ozone layer is a thin layer of gas in the stratosphere that protects life on Earth from harmful ultraviolet (UV) radiation from the sun. It absorbs a large portion of the sun's UV rays, including UVB, which can damage DNA, cause skin cancer, and harm crops and marine life. The ozone layer is often called Earth's "sunscreen".