Author Question: In the past decade, the United States government has A) discouraged the use of alternate energy ... (Read 107 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
In the past decade, the United States government has
 
  A) discouraged the use of alternate energy resources and promoted the use of fossil fuels.
  B) promoted but not invested in the development and use of sustainable energy resources.
  C) promoted and invested heavily through the Recovery Act of 2009 in the development and use of sustainable energy resources.
  D) required the use of sustainable energy resources for more than 95 of our energy demands by the year 2020.

Question 2

Productivity of an ecosystem is best calculated by determining the
 
  A) total amount of biomass in the system.
  B) number of individuals of each species.
  C) number of species present in the ecosystem.
  D) total photosynthesis per unit area each year.



gcook

  • Sr. Member
  • ****
  • Posts: 343
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?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

For a complete list of videos, visit our video library