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

Author Question: Describe some of the difficulties people have in making good longterm predictions. What will be ... (Read 62 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
Describe some of the difficulties people have in making good longterm predictions.
 
  What will be an ideal response?

Question 2

It takes fewer and fewer workers to produce crops in developed countries because of substitution of machines that ultimately run on fossil fuel for hand labor.
 
  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

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 28, 2018
Answer to Question 1

Is the growth linear or exponential? Could it be logistic?

Answer to Question 2

That is the casethe use of mechanical aids has replaced human labor. According
to the book, Figure 24.9, there is a ratio of 10 to 1 of energy output to input. Richard
Manning in Harper's Magazine from February 2004 wrote, in concurrence, A two-pound
bag of breakfast cereal burns the energy of a half-gallon of gasoline in its making. All
together the food-processing industry in the United States uses about ten calories of fossil
fuel energy for every calorie of food energy it produces.


stephzh

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

People riding bikes in Netherlands People riding bikes in Netherlands
How People Match Their Goals to Their Means How People Match Their Goals to Their Means
Kneeling on one knee to keep good alignment when massaging the arms and hands. Kneeling on one knee to keep good alignment when massaging the arms and hands.
The melting of glaciers and ice sheets is making an increasing contribution The melting of glaciers and ice sheets is making an increasing contribution
Out of Many: A History of the American People Out of Many: A History of the American People
People with Huntington disease develop problems with neuromuscular control and gradually lose the us People with Huntington disease develop problems with neuromuscular control and gradually lose the us
Video: Introduction to Diabetes

For a complete list of videos, visit our video library