« previous next »

Author Question: A light year is a unit of A) time. B) energy. C) distance. D) ... (Read 72 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
on: Jul 29, 2018
A light year is a unit of
 
  A) time.
  B) energy.
  C) distance.
  D) mass.

Question 2

The nearest star system closest to our Sun is about
 
  A) 4 light years away.
  B) 20 light years away.
  C) 100 light years away.
  D) 40,000 light years away.


makaylafy

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 29, 2018
TY


makaylafy

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Phytochrome controls germination by responding to red/far red light signals. Phytochrome controls germination by responding to red/far red light signals.
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
Local/long distance cell Signaling Local/long distance cell Signaling
Time Estimates for Specific Office Procedures Cont. Time Estimates for Specific Office Procedures Cont.
Milankovitch cycles interact over time Milankovitch cycles interact over time
Energy drinks Energy drinks
Video: Introduction to Insulin

For a complete list of videos, visit our video library