Author Question: Which of the following is the greatest current threat to forests in the United States? A) ... (Read 86 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
Which of the following is the greatest current threat to forests in the United States?
 
  A) Earthquakes
  B) Erosion
  C) Fires
  D) Logging

Question 2

The most widespread negative health impact of air pollution is the
 
  A) destruction of the cellular components of the immune system.
  B) loss of the ability to absorb vital nutrients by the digestive system.
  C) disruption of the signaling processes of the endocrine system.
  D) chronic stress that weakens many systems of the body.



AaaA

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

For a complete list of videos, visit our video library