The answer is B. Precipitin Test.
<span>Hearing aids have similar functions, but modern hearing aids have few characteristics that have makes them better that conventional aids. These characteristics are invisibility of the instrument, automatically adjustability to all kinds of soundscapes, and compatibility with computers and smartphones.</span>
Answer:
The binding of oxygen and hemoglobin is also an important reversible reaction. Its how oxygen is carried around the blood to the cells of your body
Explanation:
A reversible chemical reaction is one that can go in both directions; reactants can turn into products, and products can turn back into reactants.
This should be it if its not these then im sorry
