Author Question: A light year is a unit of A) time. B) energy. C) distance. D) ... (Read 27 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
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
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

makaylafy

  • Sr. Member
  • ****
  • Posts: 347

 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library