A) Proteins
B) Minerals
C) Fatty acids
D) Sugars

A) Tightening cell walls
B) Increasing temperature
C) Disrupting cell membranes
D) Absorbing water

A) It removes oil and grease
B) It smells better
C) It sterilizes surfaces
D) It is more acidic

A) Both gram-positive and gram-negative
B) None
C) Only gram-negative
D) Only gram-positive

A) 1 minute
B) 20 seconds
C) 10 seconds
D) 5 seconds

A) They precipitate
B) They form micelles
C) They evaporate
D) They solidify

A) Reduces it
B) Makes it sticky
C) Has no impact
D) Increases it

A) To remove the soap and trapped germs
B) To activate the soap
C) To cool down
D) To dilute the soap