Author Question: Landslides, rock falls, and floods illustrate A) that Earth is made of rock. B) that Earth is ... (Read 210 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
Landslides, rock falls, and floods illustrate
 
  A) that Earth is made of rock.
  B) that Earth is very old.
  C) that Earth is dynamic.
  D) that the crust of Earth is stationary and static.

Question 2

Why would a box on a shelf have a higher potential energy than that of a box on a lower shelf?
 
  A) The box on the higher shelf is heavier
  B) The box on the lower shelf was placed there after the higher box.
  C) The box on the higher shelf experiences less gravitational pull; with less gravitational pull comes more weight, thus more potential energy.
  D) It took more work to move the box to the high shelf than to the low shelf



31809pancho

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

Answer: C

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library