Which is heavier, 1 kg of iron or 1 kg of cotton? If you are one of the 50% of the people who answered this question. I would say 1…
December 4, 2020
Tag: iron is heavier or cotton?
Which is heavier, 1 kg of iron or 1 kg of cotton? If you are one of the 50% of the people who answered this question. I would say 1…