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

Author Question: A galaxy is 1.a huge rotating aggregation of stars, gas, and other debris held together by ... (Read 59 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Aug 22, 2018
A galaxy is
  1.a huge rotating aggregation of stars, gas, and other debris held together by gravity.
  2.a large diffuse cloud of gas.
  3.what forms in the center of a cloudlike sphere of gases that flattens and condenses.
  4.a thin cloud from which a sun and planets can form.

Question 2

About ________ gallons of used motor oil pollutes the sea annually.
 a. 240 million
 b. 100 million
 c. 24 billion
 d. 100 thousand


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Aug 22, 2018
Answer to Question 1

1

Answer to Question 2

a


serike

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Aug 22, 2018
Both answers were spot on, thank you once again


parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Aug 22, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Spitzer Telescope Picture of a galaxy Spitzer Telescope Picture of a galaxy
The Pleiades, an open cluster of stars in the constellation of Taurus. The Pleiades, an open cluster of stars in the constellation of Taurus.
Rotating Furnace for Making Parabolic Telescope Mirrors Rotating Furnace for Making Parabolic Telescope Mirrors
A Rotating, Magnetized Neutron Star A Rotating, Magnetized Neutron Star
The Small Intestine: A Huge Surface for Digestion & Absorption The Small Intestine: A Huge Surface for Digestion & Absorption
After elections were held, it was desired to estimate the proportion of voters who regretted ... After elections were held, it was desired to estimate the proportion of voters who regretted ...
Video: Griffith's experiments

For a complete list of videos, visit our video library