For the first one is the variant D because ' <span> the largest U.S. state ' it's a developed apposition which mostly are isolated through commas.
For the second one the correct answer it's variant C because '</span><span>a pack of baseball cards' it's also a developed apposition and because the sentence ends in that way we use a dot instead of comma.</span>
It was written on the year 2011
C. Characterization.
"Characterization is a literary device that is used step-by-step in literature to highlight and explain the details about a character in a story. It is in the initial stage in which the writer introduces the character with noticeable emergence. After introducing the character, the writer often talks about his behavior; then, as the story progresses, the thought-processes of the character."
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>
