User:R walder

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Stats:

Member since: July 10, 2009

Trust points: 112

Contributions

Answers: 1,390

Edits: 991

Organization: 15

Questions: 2

Community: 36

Historical: 4

Total: 2,438

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R walder is most active in these categories: Uncategorized | Chemistry | Science

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Recent contributions:

Wrote the first answer to How did the people of the copper age live
Stone Age | Bronze Age • 14 Sep 2009 22:26
Wrote a message on another contributor's message board
14 Sep 2009 22:22
Made this change to the answer of Can you make a generator from an alternator
Alternators • 14 Sep 2009 22:19
Made this change to the answer of Can dragonflies live without a tail
Dragonflies • 14 Sep 2009 22:01

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