D, and the system combine to form organism
a system is the breathing one for example
Answer:
Living organisms do contain carbon compounds. This is true.
Explanation:
Answer:
Each nitrogen molecule consists of two atoms of nitrogen that are bonded by a triple covalent bond. This is a direct consequence of the fact that each nitrogen atom has 5 valence electrons. Each atom can thus complete its octet by sharing three electrons.
Explanation:
Sorry i had to look it up i didn't know this answer
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