The preservation of protection of natural resources is called

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.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal