I’ve tired I’m sorry I don’t know
<span>Simply because fatty acids, amino acids and nucleic acids are acids that produce hydrogen +. In chemistry definitions, acids are substance that tastes sour that donates hydronium ions in a water solution. An acid is also a compound of substance that produce proton and embrace electrons. A proton according to science is something that has hydrogen but doesn't have electron. That's why when these acids are combined they increase the number of hydrogen + or (H+) in a certain substance.</span>
Answer:
The correct answer is option C. "Uncovered meat that had contact with air".
Explanation:
In 1668, the Italian scientist Francesco Redi performed a celebrated experiment to prove that maggots are not spontaneously created by placing fresh meat in each of two different jars: one opened and one covered with a cloth. Redi used an uncovered meat that had contact with air as a control, expecting that flies will come in and the maggots will be developed as they do in nature.