How will you explain twinkling of stars?

How will you explain the three states of matter on the basis of Kinetic Model ?

How do you explain the functionality of a monomer ?

How will you explain that sex hormones are under the control of pitutary glands?

Plants usually show better growth when ammonium sulphate is added to the soil. How would you explain this behaviour?

How can you explain higher stability of BCl_(3) as compared to TICI_(3) .

How will you separate a mixture of mustard oil and water using separating funnel ? Explain with an activity.

The number and kinds of organisms is not constant. How do you explain this statement?