QUES: Q: What element is considered the lightest?
A: With an atomic weight of 7000100794000000000♠️1.00794 u, hydrogen is the lightest element on the periodic table.
Does the answer answer the question?

ANS: no

QUES: Q: Why did Chrysler discontinue use of the Hifi 16 2/3 rpm record?
A: Subsequently, the 16 23 rpm speed was used for narrated publications for the blind and visually impaired, and were never widely commercially available, although it was common to see new turntable models with a 16 rpm speed setting produced as late as the 1970s.
Does the answer answer the question?

ANS: no

QUES: Q: What did LSO's use to signal corrections to the pilot prior to the angled deck designs introduced in the 1950's?
A: Before the angled deck emerged in the 1950s, LSOs used colored paddles to signal corrections to the pilot (hence the nickname).
Does the answer answer the question?

ANS: yes

QUES: Q: What year did the PVO Strany become independent?
A: The most extreme case was the Soviet Union, and this model may still be followed in some countries: it was a separate service, on a par with the navy or ground force.
Does the answer answer the question?

ANS:
no