Author Question: Care and proper management of the world's biomes are necessary to maintain sustainability. However, ... (Read 47 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
Care and proper management of the world's biomes are necessary to maintain sustainability. However, some ecosystems are in better condition than others. Which one of the following regions appears to be healthiest and best managed today?
 
  A) Tropical forests in South America
  B) Forests in the United States
  C) Coral reefs throughout the world
  D) Mangroves in southeast Asia

Question 2

Inhaling fine particulates from smoking or from industrial sources is most likely to
 
  A) cause nasal irritation and sneezing.
  B) result in their being trapped in and damaging lung alveoli.
  C) result in their passing into the blood stream and damaging the heart and brain.
  D) cause an increase in blood levels of carbon dioxide.



SVictor

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library