When a sound wave first enters the auricle, which part of the ear does it travel through on its way to the eardrum? -auditory nerve
-cochlea
-hammer
-ear canal

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Which branches of natural science include the study of an organism that lived 10 million years ago

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th