Task 4

You see a huge page in front of you. The web-page contains two parts: the instruction part and a so called calculation table. The size of the page is tree times more than the screen. So you have to scroll. You have to do four exercises. The instructions you can find between the lines.
Don't use cut, copy or paste.

Part 1: the micro world of a fish pond

After finish your task: type here your name:

and click

Thank you.


Thanks to Buwalda, Fokkema, Tao Yu en Min.
Enschede, may, 12, 2002; updated may 2004

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