Sentence examples for why is there this difference from inspiring English sources

""Why is there this difference?" Cameron said.

This fact raises the question: Why is there gender difference in certain points?

c) Why is there a difference between the medium control and the control IgG? d) This study needs to be performed with purified Foxp3+ cells from thymus and spleen.

If you think there's no difference, why is there such a difference between the sexes once they leave college?

Why is there any difference at all?

Why is there a difference in the number of home games each team played?

So why is there a difference in the potential winnings in the shareholder cases and the federal securities case?

Why is there a difference in the spread/range for the two activities (scenarios)?

Why is there a difference?

Why is there a difference in color and flavor?

So why is there a difference between the two?