I think its the first one the sentence looks fine with out a comma.
Answer:
This poem is about our tongue, how it can cause trouble and make peace, how it can help build someone up or how it could destroy someone's moral forever.
Full of excitement, today was an excellent day, up until I got into a huge argument with my friend, while I kept a gentle temperament he/she did not do the same.
Classical conditioning.
Classical conditioning happens when an individual learns to associate two stimuli. This happens when an association is learned between an unconditioned stimulus and a conditioned stimulus.
<span>Operant conditioning happens when an individual associates a behaviour with a consequence. For example, when a behaviour produces a good consequence; the individual is conditioned to repeat the behaviour to garner the same good consequence, and vice versa.</span>
Answer:
B
Explanation:
'Unfolding a line of thought, step-by-step, to try to convince the
reader of something'
this one makes the most sense and is what i believe the answer your looking for, taking it step-by-step and unfolding a line of thought is how you develop an argument so i am convinced this is the right answer.