I am absolutely sure that the <span>members of the middle class which gained power and wealth during this time are </span>land owners. I consider the first option to be the correct one because <span>during the 17th and 18th centuries land sphere incredicly expanded and spreaded all over the Europe. Hope it will help!</span>
When galaxies move farther away the wavelength of the light is longer causing the galaxy to shift red but if it moves closer, the wavelength of the light gets smaller causing the galaxy to blue shift. The reason that the wavelength increases or decrease is due to the doppler effect.
