Giraffes have long necks which allows them to browse leaves off the tops of grassland trees, helping them avoid food competition from other herbivores.
An eyewitness account would be a primary source whereas a news article would be secondary because it would be based they could write whatever they want where an eyewitness account would see the whole thing and be more credible.
The Putnams' lone surviving child out of eight. Like Betty Parris, Ruth falls into a strange stupor after Reverend Parris catches her and the other girls dancing in the woods at night.
The answer to this should be D because with a computer file you can either save it or print it out usually a computer file contains a document which is printable.
So I believe the answer is D.
Hope this helped :)
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I believe that's informal writing.