4x, or the objective lens. Hope that helps you, my friend.
Speed of sound in water = 1500 m/s
frequency = 20Hz
wavelength = s/f = 1500/20 = 75m
Make the same population as taking up space? Yes. Will they do the sane thing? No. Each of them have their niche and if one isn't there then one will be messed up.
Mitosis is the correct answer
