_:n19dfece7fb154f0e941b9ce20b46b4c2xb2
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://bio.libretexts.org/Courses/University_of_Pittsburgh/Environmental_Science_(Whittinghill)/zz%3A_Back_Matter/10%3A_Index>