An elephant makes a call at 20 Hz. What is the wavelength of this sound? How does it compare to that of the blue whale making a similar call? Show your work.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

How many atoms of nitrogen are in the chemical formula ni(w on

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer