Would you be willing to pay higher taxes in order to fund measures that would prevent the pollution of the groundwater that serves as your drinking water supply? if yes, explain. if no, explain as well

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted