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: 23393 |
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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: 54215 |
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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: 23603 |
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When salty water freezes, why is the ice not salty? |
Replies: 9 Views: 22761 |
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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: 22658 |
![]() by jiraporn66 |