Answer:
It would be an ecosystem. The ecosystem is a biotic community in which living organisms such as plants and animals interact with the non-living components of the environment such as sunlight, water, soil, rocks, etc.
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The answer is B)Atmosphere
Cells<span> are the basic unit of structure and function in all living things. Hope this helps. :)</span>
This happens because everyone has a different set of chromosomes and DNA make creating genetic diversity <span />
Then the sodium chloride dissolves, because it lost its ions and water is the universal solvent