When tall buildings are constructed on earth, the duration of day night slightly increases. Is it true?

When tall buildings are constructed on earth, the duration of day night slightly increases. Is this statement true or false?

When tall buildings are constructed on earth, the duration of day night slightly increases. Is this statement true or false?

STATEMENT-1 : When tall builidings are constructed on earth, the duration of day and night change. STATEMENT-2 : If our earth shrinks to half of the present radius then the time period will become 12 hrs. STATEMENT-3 : When a rotating disc is placed on a rough horizontal surface its angular momentum is conserved about the centre of disc.

If earth shrinks then the duration of day

When polar ice caps melt, then the duration of day

Which of the following statements regarding the duration of day and night is correct?