An example of such author can be Benjamin Franklin. He was widely read by people throughout the colonies and his Poor Richard's Almanacs were a common household items. His audience were the common people and his purpose was to educate them and help people become better. Hi style was simple and direct, often full of word plays and funny anecdotes.
Asthenosphere or the outer core but it's probably the athenosphere because you said soft and it closer to the top
Spanish it helps a lot when ur tryna work it gives you a more opportunity to get the job cause u can speak both languages to someone who only knows one