11. Look at the figure above. Which atmospheric layer has around 80 percent of the mass of the earth's atmosphere? (Hint: It's where the clouds seen on Earth are formed.)
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O A. Stratosphere
OB. Exosphere
C. Troposphere
D. Thermosphere

Compare the lunar phase of the waning crescent to the waxing gibbous. the waning crescent is increasing in illumination and the waxing gibbous is decreasing in illumination. the waning crescent is decreasing in illumination and the waxing gibbous is increasing in illumination. the waning crescent is more than half illuminated and the waxing gibbous is less than half illuminated. the waning crescent is more than half illuminated and the waxing gibbous is more than half illuminated.