What is reasonance?

What is the reason of paramagnetism in transition metals ?

What is the reason for wide application and significance of coordiantion complex?

What is the reason for the syrupy nature of conc. H_2SO_4 ?

What is the reason of formation of embryoid from pollen grain in tissue culture medium ?

What is the reasons for leaving small gapps between the rails while laying the railway lines ?

A solid translucent material exhibited different optical clarity when seen through, from different side. What is the reason of such observation?