This topic contains a solution. Click here to go to the answer

Author Question: What was the primary way sediment was transported to North America (east coast) continental margin ... (Read 121 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558

What was the primary way sediment was transported to North America (east coast) continental margin
  during the last ice age?
  a. Rivers carry the sediment right to the shelf edge.
  b. Strong currents carry the sediment to the contential shelf edge.
  c. Wind blows sediment from the continent to the shelf edge
  d. Glaciers



Question 2

If there is an abundance of foraminifera shells found in a sediment, it would be categorized as:
  a. hydrogenous sediment.
  b. calcareous ooze.
  c. coccolithophore.
  d. siliceous ooze.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IRincones

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

ANS: A
The North American continental shelf was exposed above sea level during the last ice age. Rivers
traversed the shelf and transported sediment onto the shelf. This allows sediments from the last ice
age to remain on the ocean floor. Information can be found in the section Neritic Sediments Overlie
Continental Margins.



Answer to Question 2

ANS: B
Ooze is created when at least 30 of the sediment is biogenous in origin. There are two types of oozes
that form. Calcareous oozes are made from the shells of foraminifera, pteropods, and coccolithophores.
These are unable to form below a certain depth. Information can be found in the section Pelagic
Sediments Vary in Composition and Thickness





Haya94

  • Member
  • Posts: 558
Reply 2 on: Aug 22, 2018
Thanks for the timely response, appreciate it


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library