" Q."4." What curious episode occurs in the study? "

What is studied in optics ?

What is the curious, habit of rhinoceroses?

What is studied in Thermodynamics ?

What is study of viruses known as ?

What is the study of birds caled as

How is the ‘sixth episode of extinction’ of species on earth, now currently in progress, different from the five earlier episodes?. What is it due to? Explain the various causes that have brought about this difference.