Hard question !! Is this math .. if not then oh okay cause I’m bad at math but good at everything else so let me think about it !
Answer:
mining of clay limestone and then heated to a certain temperature of 1450⁰ in a cement kiln
EVERYDAY MANS ON THE BLOCK. Lol its 4. You got this from Mans Not Hot, didn't you? xD
The answer is B . Brønsted-Lowry Acid/bases trade H+
