QUES: Q: How many times more abundant than silver is uranium in the Earth's crust?
A: Uranium's average concentration in the Earth's crust is (depending on the reference) 2 to 4 parts per million, or about 40 times as abundant as silver.
Does the answer answer the question?

ANS: yes

QUES: Q: When did Imported Chinese labor arrive?
A: Imported Chinese labourers arrived in 1810, reaching a peak of 618 in 1818, after which numbers were reduced.
Does the answer answer the question?

ANS: yes

QUES: Q: Besides customer problems, what other area is Comcast often criticized over?
A: While Working For America's Worst Company," the article also claimed that Comcast is obsessed with sales, doesn't train its employees properly and concluded that "the system makes good customer service impossible."
Does the answer answer the question?

ANS: no

QUES: Q: What is SNR?
A: For example, CCIR Rep. 258-3 indicates man-made noise in a residential setting at 40 MHz is about 28 dB above the thermal noise floor.
Does the answer answer the question?

ANS:
no