Read the following excerpt: Also, think about the microclimate of your particular garden. Your school has its own mascot and colors, but you may not know that your school garden will also have its very own climate. For instance, a rooftop garden will be exposed to more extreme temperatures in summer and winter. If you're right by the ocean, your garden will be exposed to saltier conditions. How do the instructions for "How to Grow a School Garden" establish that the word "microclimate" is important?