The color of four stars is shown in the table below. Color of Stars Star Color W Yellow X White Y Blue Z Orange What is the correct order of the surface temperature of the stars, starting from the highest to the lowest? Select one: a. Y, Z, W, X b. X, W, Z, Y c. Y, X, W, Z d. Z, W, X, Y

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=