The reason a green ball looks green is that _.
All colors of light are absorbed.
All colors of light are reflected.
Green light is absorbed and all other colors are reflected.
Green light is reflected and all other colors are absorbed.

Green light is reflected and all other colors are absorbed.

Explanation:

If all colors of light are absorbed, the ball would be black. If all colors of light are reflected, the ball would be white. If green light is absorbed and all other colors are reflected, the ball would not be green. So therefore, it is the fourth option.

is there answer choices?

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.