Spring's Journey North Report Your Sightings Teacher's Manual Search Journey North |
Challenge question #2Dalton School (daltonschool@wycol.com)Wed, 25 Feb 1998 10:54:09 -0800
isotherms was very challenging in itself. However, we did come to the conclusion that an isotherm of 36 degrees would allow the snow to melt and the ground to warm up, inviting the robins to search for food.
|