Answer:
C.
The total mass of the particles in the system stays the same. sorry if i am wrong
Explanation:
Answer:
Changes in gene expression
Explanation:
D) the cytoplasm hope this is right
The answer to this question would be frequency.
The pitch of a sound makes is directly related to the frequency of the vibration. For every octave, the number of frequency will be increased 2 times. The frequency is influenced by various things. Changing the length of the instrument is the easiest method to change the frequency.