As the length of a pendulum increases, the FREQUENCY of the pendulum
will

if the string on the pendulum is longer, the frequency is lower. if the string on the pendulum is shorter, the frequency is higher.

Explanation:

if the frequency is lower, that means that the string swings back and forth less times in the amount of time than a shorter string (higher frequency)

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:

an electric circuit