The new neighbors were deeply apologetic and offered to share whatever fruits and vegetables they were able to grow. His grandparents took it well, and were lucky enough not to totally rely on the garden for food. However, it did get Bill thinking about how important photosynthesis is, not only to humans, but to all life on earth.

1. In a paragraph or two, describe the importance of photosynthesis to life on earth.

2. Bill also started thinking about the damage herbicides can cause if not used properly. In a paragraph or two, describe one to two of the dangers of atrazine in particular.