How does the intensity of a sound wave change if the distance from the source is increased by a factor of 3?
A. The intensity increases by a factor of 3
B. The intensity decreases by a factor of 9
C. The intensity increases by a factor of 9
D. The intensity decreases by a factor of 3

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

where’s the list ? the question is incomplete

i think the answer is tomato juice? not entirely sure though

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..