How is diapause different from hibernation?

How RER is different from SER?

What is smog? How is classical smog different from photochemical smogs?

What is Diapause?

How is 'cast iron ' different from 'pig iron'?

How are viroids different from viruses?

How Is Novolac different from Bakellte?

What is glycogen?How is it different from starch?

How is molecular formula different from the empirical formula?

Consider a zener diode with the breakdown voltage 6.2V.How is zener diode different from an ordinary diode?