Author Question: Ocean floor subducts under continents because A) the ocean floor is made up of silica and ... (Read 121 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
Ocean floor subducts under continents because
 
  A) the ocean floor is made up of silica and magnesium and is more dense than continental material.
  B) the weight of the continents is so great that they push the ocean floor material downward.
  C) the ocean floor is made of silica and aluminum s and is heavier than continental material.
  D) the ocean floor has a lower density and therefore sinks more easily.

Question 2

A water budget is derived from measuring system inputs of precipitation and system outputs of evapotranspiration and runoff.
 
  Indicate whether the statement is true or false


rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

A

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library