Which sentence is not correctly punctuated?

a.
i forgot my lunch, but dad brought it to me.

b.
i worked hard all morning, and i still had not finished by lunch.

c.
it rained yesterday, but we marched in the parade anyway.

d.
the spider is not an insect it is an arachnid.

What do mcmahon’s references to thomas carlyle and john stuart mill do for his own image and credibility?

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

In virginia woolf's essay "a room of one's own," she creates a fictional sister of william shakespeare, whom she names "judith." what challenges does woolf claim this character would have experienced in her lifetime? why does woolf believe that elizabethan women did not write?