Author Question: What is an example of authigenic sediment? a. Quartz sand b. Phosphorite deposits c. Volcanic ... (Read 67 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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

For a complete list of videos, visit our video library