« previous next »

Author Question: What created Earth's moon? a. The initial big bang expansion event b. The formation of a new star ... (Read 57 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Aug 22, 2018

What created Earth's moon?
  a. The initial big bang expansion event
  b. The formation of a new star
  c. Ejection of rocky mantle material from Earth after a collision with a smaller planet
  d. The collision of two older moons
  e. Ejection of rocky mantle material following an explosive volcanic event on Earth



Question 2

How long ago did the big bang catalyze the beginning of the universe?
  a. 13.7 billion years ago
  b. 1.37 billion years ago
  c. 4 billion years ago
  d. 40 million years ago
  e. 5 million years ago
 
 



qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 22, 2018
Answer to Question 1

c

Answer to Question 2

ANSWER: a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Formation and structure of a peroxisome Formation and structure of a peroxisome
Shooting star Shooting star
Edema Formation Mechanisms Edema Formation Mechanisms
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
The Arctic is warming faster than any other region on Earth The Arctic is warming faster than any other region on Earth
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library