USE MAP ABOVE Which city or cities have summer in July?

Which city or cities have 24 hours of daylight during the summer?

Which city or cities have summer in January ?

__can be defined as which velocity changes

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.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude