Why is red the last color seen at sunset?

a: it reflects off the atmosphere.
b: it is scattered the least by the air.
c: it is bent the most by the air.
d: it is bent by raindrops.

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".