I’m pretty sure its 21 cause 9+10 is 21
Explanation:
Amoeba depends on simple diffusion of gases from breathing. The exchange of gases in Amoeba takes place through its cell membrane.
The narrative point of view is third person point of view.
Answer:
3. candy
hope it helps and your day will be full of happiness
Answer:
hertz
Explanation:
Usually frequency is measured in the hertz unit, named in honor of the 19th-century German physicist Heinrich Rudolf Hertz. The hertz measurement, abbreviated Hz, is the number of waves that pass by per second. For example, an "A" note on a violin string vibrates at about 440 Hz (440 vibrations per second).