Ключевые слова: check, chemical, concept, conceptual, dirt, doctor, earth, ecological, ecology, empty, environment, environmental, examine, fertilization, finder, global, gloves, green, hand, heal, health, healthy, heart, help, idea, infertile, issues, land, metaphor, nutrient, organic, peace, pesticide, physician, planet, poisoning, pollution, poor, prevention, problem, protect, protection, reckless, risk, safety, soil, stethoscope, toxic,