The diagram shows a sound wave. D
А
to
B
с
E
What part of the wave will change if the pitch of the sound is changed?
O A. the distance between A and C
O B. the distance between B and E
O
C. the distance between C and D
O
D. the distance between D and E

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll