This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following is an example of a trace fossil? A) petrified wood B) fossil dung C) ... (Read 392 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
on: Jul 14, 2018
Which of the following is an example of a trace fossil?
 
  A) petrified wood
  B) fossil dung
  C) spider trapped in amber
  D) carbonization of a bee

Question 2

A sandstone is found to overlie a shale. The shale contains a volcanic ash layer that has been radiometrically dated to 84 million years ago. Both the shale and the sandstone are cut by a pluton of gabbro that has been dated to 60 million years old.
 
  How old is the sandstone layer?
  A) between 84 and 60 million years old
  B) older than 84 millions years old
  C) younger than 60 million years old
  D) more information is needed to constrain the age


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


lilldybug07

  • Member
  • Posts: 546
Reply 2 on: Jul 14, 2018
Great answer, keep it coming :)

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Diagram of a typical fossil-fueled power plant Diagram of a typical fossil-fueled power plant
Hairy Wood-mint 2 Hairy Wood-mint 2
A dual-trace scope pattern showing both the power and the waste spark from the same coil ... A dual-trace scope pattern showing both the power and the waste spark from the same coil ...
Cast of a Fossil Dunkleosteus, with a human to illustrate scale Cast of a Fossil Dunkleosteus, with a human to illustrate scale
Trace word by sk kid Trace word by sk kid
Video: Rena arc construction

For a complete list of videos, visit our video library