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
![11 Look at the figure above Which atmospheric layer has around 80 percent of the mass of the earths atmosphere Hint Its where the clouds seen on Earth are forme class=](https://us-static.z-dn.net/files/d7c/c0d7fbe52991ac3840d996bf534124d4.png)