Quick Question: In 1971, research chemist Stephanie Kwolek discovered a liquid crystalline polymer solution. Its exceptional strength and stiffness led to the invention of Kevlar ®️, a synthetic fibre, woven into a fabric and layered, that, by weight, has five times the tensile strength of steel. In the mid-1970s, DuPont the company which employed Kwolek introduced Kevlar. Immediately Kevlar was incorporated into a National Institute of Justice (NIJ) evaluation program to provide lightweight, able body armor to a test pool of American law enforcement officers to ascertain if everyday able wearing was possible. Lester Shubin, a program manager at the NIJ, managed this law enforcement feasibility study within a few selected large police agencies, and quickly determined that Kevlar body armor could be comfortably worn by police daily, and would save lives.

Answer this question: when was kevlar first used as body armor?
My answer: The important part for answering this question is: Immediately Kevlar was incorporated into a National Institute of Justice (NIJ) evaluation program to provide lightweight, able body armor to a test pool of American law enforcement officers to ascertain if everyday able wearing was possible. The answer is In the mid-1970s.

Quick Question: Passage: In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett. In the movies, other than possessing the Ring Nenya, Galadriel displays an ability to communicate with others telepathically and to assume a radiant and terrifying appearance.

Question: Based on this passage, who played the elf queen in lord of the rings?
My answer: To answer the above question, the relevant sentence is: In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett. The answer is Cate Blanchett.

Quick Question: "A Hard Day's Night" is a song by the English rock band the Beatles. Credited to Lennon -- McCartney, it was written by John Lennon, with some collaboration from Paul McCartney. It was released on the film soundtrack of the same name in 1964. It was also released in the UK as a single, with "Things We Said Today" as its B-side.

Answer this question: who wrote the song a hard day's night?
My answer:
This is the relevant information: Credited to Lennon -- McCartney, it was written by John Lennon, with some collaboration from Paul McCartney. The answer is John Lennon , with some collaboration from Paul McCartney.