An icy object moving through space in a highly eccentric orbit is called a
a. meteor.
b. meteoroid.
c. meteorite.
d. comet.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.