Answers

2016-01-13T19:23:36+08:00
Tip of a ballpen represents as a point... Another example is an atom which also known as smallest particle for a point doesnt have exact lenghth or width its stil undefined. Thanks po hope u understand!
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2016-01-13T20:59:34+08:00
Same questions was posted here >> http://brainly.ph/question/280624

Some of the examples are the following:
Marble
Sand
Dust
Glitters
Button
Tip of a writing utensil
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the point of light from a laser point
you're right tho... I haven't realized that thing.. ._.