No that's not quite correct Grammar. It should be more along the lines of "He is very serious like that every time he's listening to music on YouTube. He is a certified music lover at a young age."
C i believe. hydrochloric acid (HCl) is the strongest and from what i remember, nitric acid (HNO3) was the second strongest
A statement of the exact meaning of a word, especially in a dictionary.an exact statement or description of the nature, scope, or meaning of s
By forcing the crew to pump out the water flooding
source: "Come on, my boys, help us to pump out the water, or we shall all be lost! you see how our wounds and hard labour have debilitated us."
I believe its either the first or third option but I'm leaning more towards the third option:
The first excerpt makes a logical appeal, while the second excerpt makes an emotional appeal.
