In an email, above subject, what does cc mean?

1. instructions: in your response, make an argument for whether for whether it is better for waketown to build its new wake heights subdivision or to preserve the wake wetlan to preserve the wake wetland preserve. use evidence from at least two of the sources below to support your claim. be sure to introduce your precise claim, develop the claim with evidence from the sources, and demonstrate relationships between ideas. (15 points)