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

Author Question: Which of the following is true of a light-year(ly)? A) It is a unit of time. B) It is a unit of ... (Read 78 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
Which of the following is true of a light-year(ly)?
 
  A) It is a unit of time.
  B) It is a unit of mass.
  C) It is a smaller unit of distance than kilometers.
  D) It is a larger unit of distance than the astronomical unit.

Question 2

Our Sun and its planets were formed about _____.
 
  A) 2.2 billion years ago
  B) 4.6 billion years ago
  C) 5.2 billion years ago
  D) 6.1 billion years ago


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Primates exhibit prolonged life histories, spending more time in each stage of life than most other Primates exhibit prolonged life histories, spending more time in each stage of life than most other
Under what conditions can part-time employment in high school be a negative influence on school ... Under what conditions can part-time employment in high school be a negative influence on school ...
When both sides of the back have been massaged, redrape the back. With light to moderate force, use ... When both sides of the back have been massaged, redrape the back. With light to moderate force, use ...
Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ... Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: Eczema

For a complete list of videos, visit our video library