Biology notes

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The chemical nature and properties of soil contaminants
The chemical nature and properties of soil contaminants
The 6 Kingdoms of Life
Living organisms are classified into one of six kingdoms of life, categorized based on common characteristics.
Xylem and Phloem Vector Illustration. Labeled Plant Transportation Scheme. Stock Vector - Illustration of diagram, nature: 168832399
먹물 뿜어내는 문어 기초디자인
서울여대 시각디자인,경희대 기출문제 [사하비투비]
They are carbon, hydrogen, nitrogen, oxygen, phosphorus, and potassium. Secondary nutrients are those usually needed in moderate amounts compared to the primary essential nutrients.