In warm sugar water the yeast will grow and continue to feed on the sugar until it is all gone and as it does this it'll create waste products that are used both in beer and bread.
Anatomy is the best answer
It is located At the umbilicus
At 20 weeks' gestation, the fundus can be palpated at the
umbilicus. A fundus of 12 weeks' gestation is palpated at the symphysis pubis.
At 16 weeks' gestation, the fundus is midway between the symphysis pubis and
umbilicus. At 36 weeks' gestation, the fundus can be palpated just below the
ensiform cartilage.
I believe the first answer is C) evaporation. second answer B) transpiration, and the last answer is A) raindrops.