The HNO3 is considered to be a Bronsted - Lowry acid, when this substance 'HNO3', will donate a proton, then it will form another substance. It will form two substances when the proton is donated in the water molecule. The two substances that will be formed is a nitrate iron and a hydronium ion.
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The answer is b. as a whole, the species is mutually beneficial to carry on each others traits and exist in the same ecosystem.
The answer is B particles combine into a large amount of engery.
Oxygen and carbon dioxide
