75% Water
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75% of the Earth’s surface is water., but that only scratches the surface, as Robert dives into this deep subject.
cool
awesome thats really cool!!
awsome
that was cool
Science Videos
Thanks very much for these wonder-filled videos! Your ingenious attention to detail, the wit and the humor is GREAT!
Keep on keeping on!
Ilona Greeff and her 3 kids, homeschoolers, South Africa
????
I was wondering, why does HOT water get cloudy and cold water from the same source does not.??????
Thanks, L. Albers
RE: ????
I'm not sure what you are asking. Do you mean water from the faucet?
Yes
Yeah, faucet water. Like in a pot or something. I noticed it when I filled up a metal bowl in the sink.
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