What are the 2 most common types of Antigens that are on the outside of a red blood cell (rbc)? A & B
AB & O
AB & Rh
AB & D

List two limitations of natural selection

Archaebacteria use for movement. celia flagella pili cell walls

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure