It's hot outside today.
It's is the contrasted form of it is and its is the possessive form *as it is without an apostrophe*.
For example:
The tree has lost all its leaves.
It's my birthday today.
<span>“Deep into
that darkness peering, long I stood there wondering, fearing, Doubting,
dreaming dreams no mortal ever dared to dream before.” – The Raven, by Edgar Allan
Poe.</span>
<span>
An alliteration is the use of a series of three or more words that start one or
two letters that are the same. Some invented examples could be: “Sally the slithering
snake, snuck secretly towards the stables”. </span>
<span>
</span>
<span>There are also many tongue
twisters composed by alliterations, like: “She sells sea-shells down by the sea-shore”;
or “Peter Piper Picked a Peck of Pickled Peppers”. </span>
The answer is B. During all "Exhalation" it is shown the importance of the scientific method and how much it affects in the truth.
Protagonist. A protagonist is the leading character of a story, therefore that’s your answer.