Are home water filtration systems a waste of money?
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How do roots growing in water differ from roots growing in soil?
Started by neilepBoard Plant Sciences, Zoology & Evolution |
Replies: 3 Views: 27846 |
11/06/2018 06:18:32 by pradeepkumar |
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Which weighs more, a litre of ice or a litre of water?
Started by The ScientistBoard Physics, Astronomy & Cosmology |
Replies: 42 Views: 65380 |
23/11/2022 14:04:51 by Peter11 |
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Why is it that I don't normally feel the cold but can't get into cold water?
Started by thedocBoard Cells, Microbes & Viruses |
Replies: 4 Views: 28430 |
19/03/2020 15:03:54 by Paul25 |
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When salty water freezes, why is the ice not salty? |
Replies: 9 Views: 29560 |
01/11/2019 16:34:08 by alancalverd |
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After how long does water "go off" and become unsafe to drink?
Started by paul.frBoard General Science |
Replies: 9 Views: 28307 |
07/10/2020 08:47:55 by jiraporn66 |