Aqua-Terra or Terra-Aqua Column?

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Aqua-Terra or Terra-Aqua Column?

Does anyone know where I can find information about aqua-terra or terra-aqua columns?
It's for my Biology Homework.

Please give links. Thanks.

2007-05-01 15:43:03 · 1 answers · asked by M§. †üßß¥ 2 in Science & Mathematics ➔ Biology

1 answers

This design is from a book called "Bottle Biology". You can see how to construct one here:

http://www.learner.org/channel/courses/essential/life/bottlebio/terraqua/column.html

2007-05-01 15:53:06 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋