Not sure what you mean by Head of the comet, but I know the other 3 are apart og the comet, so I would have to say C.
Cells break into 2’s and keep breaking apart
Answer:
The nucleus.
This organelle is where most DNA or genetic material is found in cells.
Answer:it occurs because of wet clouds
Explanation:
Frequency is the term that describes the number of waves passing a point during a certain period of time, frequency is also measured in Hz (hertz).