Which sentence uses the correct comparative form of the adjective pretty? a. this blouse is prettier than the one that got stained. b. i think yellow roses are more prettier than red roses.

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

What gases are carried by the blood