When a light source like a star or group of stars is moving away from the earth, the wavelengths of the light change, and a is observed. a. blue shift b. red shift c. ozone effect d. all of the above e. none of the above

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane