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

Author Question: Elliptical galaxies contain more gas, dust, and young stars than do Sa galaxies. a. True b. ... (Read 62 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
Elliptical galaxies contain more gas, dust, and young stars than do Sa galaxies.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The central star in a planetary nebula
 
  a. is a main-sequence star.
  b. is a pre-main-sequence protostar.
  c. is a neutron star.
  d. will become a white dwarf.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

d


SAVANNAHHOOPER23

  • Member
  • Posts: 542
Reply 2 on: Jul 27, 2018
Gracias!

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

All objects in the image are distant galaxies – not stars All objects in the image are distant galaxies – not stars
Dust Mite Dust Mite
Dust Technology Dust Technology
Barred Spiral Galaxies Barred Spiral Galaxies
The Dust Bowl in North America The Dust Bowl in North America
(a) The characteristic karyotype of Klinefelter syndrome. (b) The young man (left) in these photos h (a) The characteristic karyotype of Klinefelter syndrome. (b) The young man (left) in these photos h
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library