sentence2_structure: it<>has<>nutrients used by plants to grow$$$nutrients<>used<>by plants<>to grow$$$nutrients<>to grow<>
sentence1: Eventually all the plant's nutrients and energy have been transformed into another living form or released into the soil for use by other plants.
sentence2: It is important to protect soil because it has nutrients used by plants to grow.
question: Why is it important to protect soil?