1.which of the following is a layer of the atmosphere select one: a. biosphere b. planosphere c. weathersphere d. stratosphere 2.which layer of the atmosphere contains the ozone layer? select one: a. troposphere b. stratosphere c. mesosphere d. thermosphere

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature