Answer:
B. Formal
Explanation:
Notice how it is an informative essay telling you about the process of making yogurt.
I'm pretty sure it's standards
A is the correct answer, because it is grammatically correct and the noun/verb agrees.
B. & everybody should know that since before 4th grade
B. <span>though its roots are germanic, english also includes many words derived from latin and greek. </span>