I think it looks great already! Maybe color in the Bs.
do you have a chart or something?
I believe the correct answer is: material that the lens is
made from.
Lenses are engineered to have
specific focal lengths, besides the curvature of the two sides of a lens. The
focal range, the distance between your optic nerve and the retins in lens, of
the lenses is determined by the material that lenses are made from.
What irrational literary genres? Not sure I understand.
Quais os gêneros literários irracionais? Não tenho certeza eu entendo.