Which sentence has a vague pronoun error?
a) amy promised brandon that she would him clean up the kitchen.
b) the hendersons decided they would go hiking in the mountains for their vacation.
c) as soon as lucy and glinda arrived, we asked her to tell us all about her vacation.
d) handing the novel to malvika, the librarian told her, "this book won the pulitzer prize."

Read this paragraph from a cause-and-effect essay. upwelling and el niño in normal years, the trade winds cause colder, nutrient-rich waters to rise to the ocean surface. this process is called “upwelling,” and it causes small fish called plankton to multiply. which rubric term or phrase would apply to the phrase “trade winds”? a. effect b. elaboration of a cause or effect c. transition between a cause and an effect d. cause