Heterogeneous is best described as a product of thing composed of <em>diverse character or continent. </em>
For example:
a + a = homogeneous because the letters are both the same
while
a + b = heterogeneous because the components are different, diverse.
Hope I helped, message me if you have questions.
In order to provide supplies for the war, consumer goods were rationed.
D. When the government doesn't protect their natural rights. <span />
I think it was President<span> Grover Cleveland... Im not quite sure, i just did this in school though so let me pull up my test..</span>
Late 1950s to the late 1970s