Author Question: What is an example of authigenic sediment? a. Quartz sand b. Phosphorite deposits c. Volcanic ... (Read 60 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
What is an example of authigenic sediment?
 

a. Quartz sand
  b. Phosphorite deposits
  c. Volcanic dust
  d. Diatomaceous ooze
  e. Tektite spheres



Question 2

What is the main source of terrigenous sediments to the ocean?
  a. volcanic eruptions
  b. rivers
  c. dust and ash
  d. cosmic dust
  e. marine snow




cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

For a complete list of videos, visit our video library