Author Question: One of the unusual features of the Earth's moon is that it is A) very large B) very small C) ... (Read 60 times)

joe

  • Hero Member
  • *****
  • Posts: 627
One of the unusual features of the Earth's moon is that it is
 
  A) very large
  B) very small
  C) made mostly of rock
  D) keeps one side facing the Earth

Question 2

Stars only exhibit a Doppler shift if they are moving
 
  A) away from us along the line of sight
  B) perpendicular to our line of sight
  C) in a circular motion about us
  D) toward or away from us along the line of sight



mjbamaung

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library