A.How does light bend as it enters a more-dense substance at an angle? How does it bend upon leaving the moredense substance? Make a sketch to illustrate your answer. B. Since twilight occurs without...

A.How does light bend as it enters a more-dense substance at an angle? How does it bend upon leaving the moredense substance? Make a sketch to illustrate your answer.

B.
Since twilight occurs without the sun being visible, how does it tend to lengthen the day?

C.
On a clear, dry, warm day, why do dark road surfaces frequently appear wet?

D.
What atmospheric conditions are necessary for an inferior mirage? A superior mirage?