If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. why?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?