Which mood does the setting of “ the raven” create? sad haunting enchanting hopeful

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

What household products contain algae?

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%