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

Author Question: Ten parsecs is about ________. A) 32.6 light-years B) 10 parallax seconds of angle C) 150 ... (Read 69 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
Ten parsecs is about ________.
 
  A) 32.6 light-years B) 10 parallax seconds of angle
  C) 150 million kilometers D) 10,000 seconds

Question 2

What lucky factor prevented the Chelyabinsk object from causing much damage at ground level?
 
  A) It was made entirely of ices and thus exploded high in the air.
  B) It hit Earth at an oblique angle and thus exploded high in the air.
  C) A prototype asteroid defense system was being tested nearby.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

For a complete list of videos, visit our video library