Author Question: What is the likely source of lunar ice? A) water that was present when the Moon formed B) ... (Read 22 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
What is the likely source of lunar ice?
 
  A) water that was present when the Moon formed
  B) contamination from human exploration of the Moon
  C) volcanism earlier in the Moon's history
  D) impacts of meteoroids and comets

Question 2

Given that the planet orbiting the nearby star 51 Pegasi is about 20X larger than the Earth, but 400X more massive, on that world you would weigh:
 
  A) the same as you do here.
  B) twice as much as you do here.
  C) half as much as you do here.
  D) 20X more that you do here.
  E) 400X more than you do here.



kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

kjohnson

  • Sr. Member
  • ****
  • Posts: 330

 

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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library