Answer: C, A, D
Explanation:
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Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites. With ion-linked channel receptors, the ligands get binded to a protein. The ion channels are then opened and the proccess gets repeated. Does that help?
B, metals, nonmentals all bond to be stable
Answer:
Argon- a chemical element
Water- polar molecule
Nitrogen- chemical compound
Uranium- chemical element
Hope this helps! :)
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:)
Explanation:
In conclusion B. water is a molecule
