Answer:
and is in photo given.I didn't get time to type.
The river that flows through Rome is the Tiber.
Answer:
Stars emit colors of many different wavelengths, but the wavelength of light where a star's emission is concentrated is related to the star's temperature - the hotter the star, the more blue it is; the cooler the star, the more red it is
That's called the wave's "wavelength" .
