Help me with this, i'm confused.

In the space below, write a 1000-word essay presenting information about an author’s style. reference the author’s work as well as other researched sources. a successful essay will be focused on one specific aspect of the author’s style, give three references to the author’s work, give three references to other sources, and use correct citations.

Read the hypothesis below and answer the question that follows. playing video games will improve individual spatial skills. what is the dependent variable in the experiment? a. playing video games b. type of subjects c. type of video game d. spatial skills

Which revision, if any, best fixes the bolded (capitalized in this case) part of the sentence? female cardinals, a somewhat drab bird compared to the males, blend in well with their environment. no change somewhat drab birds a somewhat drab's bird somewhat drab bird's