This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Some regions of Iceland once were covered with forests. However, centuries ago humans logged the ... (Read 57 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Jul 16, 2018
Some regions of Iceland once were covered with forests. However, centuries ago humans logged the trees and grazed sheep on the logged regions, preventing natural regeneration.
 
  This situation, in which one ecosystem has now been converted to another, represents A) a tipping point for this ecosystem with fewer ecosystem services than before.
  B) the power of natural resilience mechanisms.
  C) reverse ecological succession.
  D) a sustainable approach to ecosystem management with a positive feedback loop.

Question 2

Which of the following natural threats to human health is least predictable, meaning that there is usually the least amount of lead time before a disaster?
 
  A) Earthquakes, tsunamis, and tornados
  B) Forest fires
  C) Hurricanes and floods
  D) Severe snowstorms


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

A


2125004343

  • Member
  • Posts: 566
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Male reproductive structures in humans. Male reproductive structures in humans.
As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast
Anterior and posterior views of the body illustrating the location of various body regions. Anterior and posterior views of the body illustrating the location of various body regions.
Laugarvatn, Iceland Laugarvatn, Iceland
Examples of Body Regions and Their Location Examples of Body Regions and Their Location
Mutations in posterior Hox genes (HOXD13 in this case) in humans Mutations in posterior Hox genes (HOXD13 in this case) in humans
Video: Ultrasound of a Fetus (Sonogram)

For a complete list of videos, visit our video library