With rapid digitalization, students have started depending on digital devices for entertainment. This has impacted their lives, both positively and negatively. Write an article with the help of the given cues and your own ideas, highlighting the advantages and disadvantages of using digital devices. You are Rohini/Rohit.

Write a letter to the editor of a local newspaper expressing your concerns about the increasing “Pollution levels in your city”. You are an environmentalist, Radha/Rakesh, 46, Peak Colony, Haranagar. You may use the following cues along with your own ideas: 
Given below is a heterogeneous RNA formed during Eukaryotic transcription:

How many introns and exons respectively are present in the hnRNA?