Mrs. Kraft's Blog
permafrost
Monday, June 21, 2010
measuring height of seedlings
2 comments:
Teacher
June 22, 2010 at 9:26 AM
What does each line represent?
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Mrs. Kraft
June 24, 2010 at 7:11 PM
2 cm
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What does each line represent?
ReplyDelete2 cm
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