Author Question: Which of the following represent ecosystems with high average annual net primary productivity? A) ... (Read 33 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
Which of the following represent ecosystems with high average annual net primary productivity?
 
  A) Algal beds, reefs, tropical rain forests, swamps, and marshes
  B) Open ocean and continental shelves
  C) Boreal forest, temperate grasslands, and tropical dry deciduous forest
  D) Estuaries, tundra, lakes, and streams

Question 2

In the winter in North America, the common cold often shows
 
  A) high morbidity but low mortality.
  B) high morbidity and high mortality.
  C) low morbidity but high mortality.
  D) low morbidity and low mortality.



chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
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?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library