1. Here Comes the Sun!
   This is a self-guided tutorial on the sun and its effects on the environment here on Earth
   http: //vortex.plymouth.edu/sun/sun1.html
   
   
2. Journey North 2000: Tulips
   
   http: //learner.org/jnorth/spring2000/species/t...
   
   
3. Maple Sugar in Nova Scotia
   Delicious maritime maple syrup comes into season in April. Browse through our images and articles, almost as good as the real taste.
   http: //collections.ic.gc.ca/natural/maple/index.ht...
   
   
4. Maple Syrup
   
   http: //collections.ic.gc.ca/heirloom_series/volume...
   
   
5. Official Seed Starting Home Page - Weekend Gardener
   
   http: //chestnut-sw.com/seedhp.htm
   
   
6. Spring
   Spring is one of the four seasons of temperate zones. Astronomically, it begins with the spring equinox
   http: //academickids.com/encyclopedia/index.php/Spr...
   
   
7. The Date of the Vernal Equinox
   
   http: //louisville.edu/~aoclar01/ancient/astron...
   
   

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