riz's answer to RC's Primary 6 Science Singapore question.

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riz
Riz's answer
3 answers (A Helpful Person)
1st
No because if you do so, the marbles are heavier and the distance it travelled might decrease.

Hope this helps :)
RC
RC
4 years ago
Ooh. I didn't think of that. Thank u thank u
riz
Riz
4 years ago
Your welcome :D