« previous next »

Author Question: Why are galaxies in the blue cloud blue? A) They contain hot, young stars that signify active ... (Read 60 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 27, 2018
Why are galaxies in the blue cloud blue?
 
  A) They contain hot, young stars that signify active star formation.
  B) They are moving slower than stars in the red cloud.
  C) They contain lots of dust that cause the bluish color.
  D) They contain cold, dying stars that are fading to black.

Question 2

Genetic studies indicate that every living organism on Earth today shares a common ancestor.
 
  Indicate whether the statement is true or false


daiying98

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Cultured HeLa cells have been stained with Hoechst turning their nuclei blue Cultured HeLa cells have been stained with Hoechst turning their nuclei blue
A young cane toad (Bufo marinus) A young cane toad (Bufo marinus)
Dreams Disappeared in a Cloud of Dust Dreams Disappeared in a Cloud of Dust
Earth as viewed from Lunar orbit during the Apollo 8 mission, Christmas Eve, 1968. Africa is at the Earth as viewed from Lunar orbit during the Apollo 8 mission, Christmas Eve, 1968. Africa is at the
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
Modern-day dust cloud blowing from Africa’s Sahara Modern-day dust cloud blowing from Africa’s Sahara
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library