#Natural Radioactivity

(a) Briefly describe the various segments of atmosphere. How these segments are maintaining the Earth Radiation Balance? (b) How the organic particulate matter enters in the atmosphere. Also describe the sources? (c) What is natural radioactivity? How it is different from the artificial radioactivity? (d) What are the Fossils? Discuss the importance of paleontology.

#cssnexus #Layers of Atmosphere #Earth Radiation Balance #Organic Particulate Matter