aryan81160 Asked: September 2023 write all the names of the planet which have been discovered until now
aryan81160 Asked: December 2022 pls tell the ans of this question no spammingim so srry for not so good image pls manage it
aryan81160 Asked: December 2022 2 of its original value where as that of proton is assumed to be twice of its original value then atomic mass