Unlike with most species, human population ecology must also ...

[elizabeth18]

Unlike with most species, human population ecology must also include consideration of the
 
  A) interactions of the global human population.
  B) impact of infectious disease on mortality.
  C) ability of humans to construct safe places to live.
  D) impact of severe weather on human health and safety.

Question 2

Lakes in the midwestern United States that have experienced sustained acid precipitation over many years have gradually
 
  A) increased their pH because of the buffering effects of limestone.
  B) increased their pH because of the depletion of the buffering effects of limestone.
  C) decreased their pH because of the buffering effects of aluminum.
  D) decreased their pH because of the depletion of the buffering effects of limestone.

[beccamahon]

Answer to Question 1

A

Answer to Question 2

D