Answer:
Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.
Explanation:
Answer:
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Most sand dunes are created by deposition by Wind.
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A. two or more genes because most genetic characteristics or traits are controlled by many genes.
Genetic Diversity in Plants. Genetic diversity is of fundamental importance in the continuity of a species as it provides the necessary adaptation to the prevailing biotic and abiotic environmental conditions, and enables change in the genetic composition to cope with changes in the environment
