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.
Answer:
The tiny table was unable to sustain the weight of the food, so we moved the food onto the counter top.
Hope this sentence helps, have a great day and stay safe! :) :D :3
By having a character not fit in or be at odds with the setting
Answer:
Egyptian burial rites
Explanation:
According to the excerpt from The Riddle of the Rosetta Stone, the content of the book seem to index the content of the Stone which contain hieroglyphs, cursive scripts, inscriptions, etc.
The subject to which this book would be the best resource is Egyptian burial rites