Answer:
What trait do autobiography and memoir have in common? They both use the first-person point of view. They both blend historical accuracy with fiction. They both portray the entire life of the author.
Explanation:
his own are the largest themes
If the question is in what sentence do you see a predicate adjective, then the correct answer is in the first one - Not all deserts are sweltering, where the word <em>sweltering </em>is a predicate adjective.
A predicate adjective is an adjective that can be found following a verb.