Ключевые слова: adventure, air, billboard, biology, brazil, clean, cold, country, creation, creek, day, ecology, ecosystem, environment, excursion, geography, green, holiday, life, mashed potato, meet, morning, moss, mountain, natural, nature, oxygen, pollution, relax, rest, rocks, santa catarina state, science, seasons, seaweed, shell of, slime, south america, stream, stroll, strong, summer, tourism, travel, travel agency, vacation, water, waterfall, weather, wild,