Author Question: The fact that life expectancy has increased significantly over the past 60 years in developing ... (Read 98 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
The fact that life expectancy has increased significantly over the past 60 years in developing nations is primarily a result of the
 
  A) epidemiologic transition.
  B) cultural transition.
  C) demographic transition.
  D) socioeconomic transition.

Question 2

Which of the following best describes crown fires?
 
  A) They create a mosaic of successional stages in an ecosystem.
  B) They decrease biodiversity by eliminating species that are fire resistant.
  C) They increase the later stages of succession.
  D) They are not a natural factor in undisturbed ecosystems.



fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

For a complete list of videos, visit our video library