The establishment of the mosses on bare rock and eventual ...

[azncindy619]

The establishment of the mosses on bare rock and eventual addition of grasses represents
 
  A) a climax ecosystem.
  B) primary succession.
  C) secondary succession.
  D) intermediate succession.

Question 2

The causes of mortality differ greatly between developing and developed countries. In developing countries, a high proportion of mortality is caused by
 
  A) infectious disease; while in the developed world, most deaths are related to crime.
  B) poor nutrition; while in the developed world, infectious disease causes most deaths.
  C) wars and accidents; while in the developed world, most deaths are related to infectious disease.
  D) infectious disease; while in the developed world, most deaths are related to aging and diseases connected to voluntary behaviors such as smoking and diet.

[ndhahbi]

Answer to Question 1

B

Answer to Question 2

D

[azncindy619]

TYSM

[marict]

Excellent