(Q).
This is a correct answer to the following question about Blindness. Yes or no? Answer: Light signals for this purpose travel through the retinohypothalamic tract and are not affected by optic nerve damage beyond where the retinohypothalamic tract exits. Question: how many blind people are there in the us
(A).
No

(Q).
This is a correct answer to the following question about Muse (band). Yes or no? Answer: Since the release of their 2006 album Black Holes and Revelations , keyboardist and percussionist Morgan Nicholls has performed live with the band. Question: what is muse's lead singer's name
(A).
No

(Q).
This is a correct answer to the following question about Nuclear power by country. Yes or no? Answer: Nuclear power stations operate in thirty countries. Question: how many nuclear countries in the world
(A).
No