5431General KnowledgeMedium
The ball point pen was invited by___________?
AJohannes Gutenberg
BPetrache Poenaru
CChester Carlson
DLaszlo Biro
Correct answer
D. Laszlo Biro
Explanation
Laszlo Biro is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.