(Q).
Question: how are aircraft radial engines built I found the following answer on Google: Radial engine of a biplane Is that a correct answer? Yes or no.
(A).
No

(Q).
Question: how much sulfur dioxide is in propane I found the following answer on Google: Sulfur dioxide emissions are also a precursor to particulates in the atmosphere. Is that a correct answer? Yes or no.
(A).
No

(Q).
Question: How LCD Monitors Work I found the following answer on Google: (In a backlit LCD, this layer is replaced with a light source.) Is that a correct answer? Yes or no.
(A).
No