B. They start as a single cell.
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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Answer: Although all organic compounds contain carbon, and almost all have hydrogen, most of them contain other elements as well. The most common other elements in organic compounds are oxygen, nitrogen, sulfur, and the halogens.
Explanation: hope this helps
D identical. thats what replication is. making exact copies
What part did you need help understanding? Your definition is pretty strong- the epiglottis keeps food from entering the trachea and lungs. It also opens during breathing to allow air into the lungs. Good luck on your test, let me know if you need anymore refreshers!