8,8, tư gam A tác dụng với 0,3 mon hát hai idol bốn đặt nóng giải thích alô hai là sắp được duy nhất sau khi phản ứng xảy ra hoàn toàn thu được

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?