Water flowing through a watershed is effected greatly by which force? Earth's centripetal force around the Sun, Turgor Pressure, gravity or Hydrotropism

Ways that industry and agriculture use physical properties to separate substances

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

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon