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

Author Question: How much more energy would be required to bring the entire world up to the average per capita U.S. ... (Read 62 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
How much more energy would be required to bring the entire world up to the average per capita U.S. energy use? Recall that world average energy use is 57 GJ per capita and the U.S. average energy use is 300 GJ per capita.
 
  What will be an ideal response?

Question 2

In Bt corn, genetic material from a bacterium has been put into the corn itself. What consequences might ensue?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tkempin

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

The United States has a population of about 280 million. The world population is
approximately 6 billion. So, 6 billion times 57 GJ is 342 EJ, which is the current world use,
while if everyone were consuming at the U.S. consumption rate of 300 GJ per person this

Answer to Question 2

In Bt corn, the additional genetic material works against the European corn borer
by creating a protein that kills borer larvae. There are several problems. First, evolution will
eventually lead to development of resistance in the corn borer. Second, the pollen from the
Bt corn can drift and affect nearby corn crops.
In a controversial paper (Quist and Chapela, Nature, 2001; referenced in the book), it was
reported that Bt corn genes were transferred to other cops in Mexico. The paper generated
many critiques, but some of its main points remain still considered valid, even though the
publication withdrew it.
According to H. Hall, Bt corn: is it worth the risk?, The Science Creative Quarterly,
issue 2, Sept.-Nov. 2006, These benefits, real or imagined, have been used as leverage by
Bt corn proponents in the argument to accept what they argue are minimal levels of health
and environmental risk. Yet many consumer, civil rights, and environmental advocacy
groups characterize such arguments as industry propaganda, asserting that corporate
benefits should not out-weigh the undetermined human health, socioeconomic and
environmental risks. In the last analysis, we do not really know the risks, and proceeding
with Bt use is a reliance on hope that the designers knew what they were doing and that any
deleterious consequences will be minor.





 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library