In this lesson, you have learned the following facts about caring of orchard seedlings in systematic and scientific ways. This includes the following:
1. Ways in watering the plants
2. Ways of cultivating the soil
3. Preparing and applying organic fertilizer​

the answer is :

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.