How do you change your username on please tell me

Ijust want the meaning to life (no wrong or right answers i just want your true opinion)

Which food can a vegan eat? a. lasagna with cheese b. vegetable risotto c. poached eggs on toast d. chocolate milkshake e. stir-fried chicken

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases