How is smoking most likely to negatively affect human health? A. by reducing the number of white blood cells
O
B. by producing antibodies
C. by causing mutations in genes
D. by creating more chromosomes in each individual cell

the kind of relationship between atmospheric  density and altitude is inverse relationship. this means a surge in either will cut the other factor. density is mass per unit volume, it is hard to compute with only altitude 1,291 kilometers given. also, we could also use temperature and pressure to resolve density but they are not delivered.