This topic contains a solution. Click here to go to the answer

Author Question: When did the harvesting of commercial whale species cease? A) When the International Whaling ... (Read 31 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
When did the harvesting of commercial whale species cease?
 A) When the International Whaling Commission formed
  B) When there were substitutes for the products produced from whales
  C) When the hunting of whales became uneconomical
  D) All of these choices

Question 2

Organisms that cannot make their own food are called ____.
 A) primary producers
  B) heterotrophs
  C) secondary producers
  D) autotrophs



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

matt95

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

C

Answer to Question 2

B





 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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