This topic contains a solution. Click here to go to the answer

Author Question: The discovery of Eris ________. A) was surprising, since we thought we knew about all large ... (Read 12 times)

drink

  • Hero Member
  • *****
  • Posts: 554
The discovery of Eris ________.
 
  A) was surprising, since we thought we knew about all large objects in the solar system
  B) was not surprising, because other Kuiper belt objects approaching the size of Pluto had already been discovered
  C) was not surprising, because the existence of a massive Planet X had been predicted nearly a century ago
  D) was surprising, due to its backwards orbit around the Sun

Question 2

Why are plate tectonics not as important a factor on the Moon as they are on Earth?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfghjkl;

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

The Moon no longer has a molten core, and as it chilled faster than did the larger Earth, the Moon has a thicker crust. The Earth's thin crust is constantly being broken by the conveyor belt of magma pushing upward through our mantle.




drink

  • Member
  • Posts: 554
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

For a complete list of videos, visit our video library