what does the phrase theres no such thing as free lunch mean in economic terms???

Answer: opportunity cost
Question: what type of laser is used in cd and dvd players?

Answer: semiconductor
Answer this question: when does the tv show the orville start??

September 10, 2017
Q: who wrote the song me myself and i?A: Robert Waller
Input: who made the first periodic table of elements?

Output: Dmitri Mendeleev
input: What is the answer to this question? when does the new fairy tail season come out?

output:
2018