Answer:
the attitude towards the subject that writers convey to readers
That would be Logos
Ethos is credibility of the person
Pathos appeals to emotion <span />
I believe the answer is
B. This pamphlet calmly disputed the claims that had been made in favor of slavery and provided ordinary citizens and abolitionists with arguments explaining why slavery was wrong.
Humidity
Age of bread?
Type of storage container
Type of bread