How does adding a - er to a verb change its part of speech?

How does Percy suspect that Ares wasn't acting alarm that he was tap taking orders from someone else

I have always liked shrimp more than lobster. It doesn't take long to peel a shrimp and plop it into my mouth. With lobster, I need to crack the shell and pull out the good parts before I can eat. And often, there isn't even all that much.

Is 4 primer or composite

Bob tells David to give Pony a "bath." What does he really mean? What happens?

Other words for "to get upset"

Letter to your younger brother or sister to make the distance of using mobile phone and internet

A common situation such as a job interview could be viewed in different ways; for example, one person could view it as an opportunity to show off talents, while another could view it as a terrifying trial of character.

What is the author's main purpose in the article? A. to highlight the unfair treatment of female runners before Switzer B. to show how Switzer changed people's beliefs about female runners C. to prove that women are more capable runners than men D.

What common english word is 5 different letters long, and each time you remove a letter from it, it still remains an english word?

What does this quotes means "An Ocean would never laugh if clouds weren't there to kiss her tears"