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

Author Question: Assume that the average rate of 1-km sized asteroids hitting the Earth is about 1 every million ... (Read 286 times)

burchfield96

  • Hero Member
  • *****
  • Posts: 610
on: Jul 27, 2018
Assume that the average rate of 1-km sized asteroids hitting the Earth is about 1 every million years. The chance of the Earth being hit by a 1-km sized asteroid in the next 100 years is about:
 
  A) one in ten thousand.
  B) one in a million.
  C) zero.
  D) one in 100 million.
  E) inevitable, it has to happen sometime.

Question 2

Galaxies contain less mass as dark matter than as visible stars.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

catron30

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


burchfield96

  • Hero Member
  • *****
  • Posts: 610
Reply #2 on: Jul 27, 2018
TY


catron30

  • Sr. Member
  • ****
  • Posts: 297
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth Animation of the apparent retrograde motion of Mars in 2003 as seen from Earth
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Situations Causing Changes in Respiratory Rate Situations Causing Changes in Respiratory Rate
Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ... Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ...
Earth Atmosphere Earth Atmosphere
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library