Its D.
Carbon provides our natural fuel. Oxygen is important because it is essential in many processes that enable life and in the transformation of energy. Oxygen can also combine with so many different elements to form numerous compounds, and Nitrogen is vital in our world.
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Hope this helped! ❤</em></u></h2>
The pH of the solution will be lowered. Currently the solution is Neutral (salt water). Adding an acid will turn the solution slightly acidic
<h3>sorry I can't understand your saying about.. hahahahahhaha </h3>