Answer:
In fact, any relative motion between the two will cause a Doppler shift/ effect in the frequency observed. ... If stars and galaxies are travelling away from us, the apparent frequency of the light they emit decreases and their colour will move towards the red end of the spectrum.
Explanation:
Answer:
Boot
Explanation:
The geography of Italy looks like a boot
Increase i believe that is the awnser
Reduce use of fossil fuels in factories and other places as a source of energy and attempt to replace the use of fossil fuels with cleaner sources of energy like "Wind energy" and "Solar energy"
