SjbwbwnwnnshejskkanNznznbzbzbsbjsjwkekeklrkr
Answer:
industrialization and rapid human population growth.
Explanation:
Hope this helps
%Mass
Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol

or

Answer:
11812.58 meters = 11.81258 Km
Explanation:
hope that helps