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

Author Question: The most severe mass extinction during the past 500 million years occurred at the end of which ... (Read 47 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 27, 2018
The most severe mass extinction during the past 500 million years occurred at the end of which geological period?
 
  A) Devonian
  B) Triassic
  C) Permian
  D) Cretaceous

Question 2

A satellite encircles Mars at a distance above its surface equal to 3 times the radius of Mars. The acceleration of gravity at the satellite, as compared to the acceleration of gravity on the surface of Mars, is
 
  A) one-ninth as much.
  B) zero.
  C) the same.
  D) one-third as much.
  E) one-sixteenth as much.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

E


WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 27, 2018
Thank you!


fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

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?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
A Mass-Loss Star A Mass-Loss Star
Levallois points and flakes from Kapthurin, Kenya date to between 200,000 and 280,000 years ago. Levallois points and flakes from Kapthurin, Kenya date to between 200,000 and 280,000 years ago.
Climate models the flow of mass and energy Climate models the flow of mass and energy
Portion sizes of French fries have more than doubled from the past Portion sizes of French fries have more than doubled from the past
In Canada, 2/3 women and over 1/2 of men 55 to 64 years of age are grandparents In Canada, 2/3 women and over 1/2 of men 55 to 64 years of age are grandparents
Video: Wound Cultures

For a complete list of videos, visit our video library