The answer is
(wavelength)
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.
B, is the answer. I believe.
I dont think i'm answering your question, but the sun turns into a red giant, and the more it gets bigger it gets, the more closer it is to the planets. Then eats up the the planets later on, and explodes. Dont know if im correct tho sorry
