Answer:
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The term amphoteric describes a substance that can act as both an acid and a base.
The half-life of carbon-14 is about 5730 years
Answer:
oxygen should be the central atom in the middle
Explanation:
hydrogens always go on the outside
<span> The body has to do this to make sure and or to prevent damage to the delicate tissues that form the Respiratory System. This is important because </span>Your body's organs, such as your heart and brain, need oxygen-rich blood to work well. (if it gets damaged by the Cold/Dry air you breath in on a daily)<span><span>Respiratory failure </span>also can occur if
your lungs can't properly remove carbon dioxide (a waste gas) from your
blood. Too much carbon dioxide in your blood can harm your body's
organs.
Hopefully i helped ^.^ please mark brainly if its a possibility~
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