two answers may be correct: 'uncountable' is set as the correct one but I don't see how 'finite' is wrong
Certainly true! I selected "uncountable" and never read to "uncountable but not infinite." At least I think that is what happened. That was my only issue -- great quiz!
42c. And of each shape: the similar ones are completely infinite ¬ but in their differences: they are not completely infinite, but only innumerable.
[Hicks] The like atoms of each shape: are absolutely infinite ¬ but the variety of shapes: though indefinitely large, is not absolutely infinite.
[Bailey] And so in each shape: the atoms are quite infinite in number ¬ but their differences of shape: are not quite infinite, but only incomprehensible in number.