On a giant pasteboard with pictures, and explanation on what each type of engineer.
Hey there!
Calcium is not considered a
<span>micronutrient, so the answer would be A.
Hope this helps and have a great day! (:
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A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors.