This topic contains a solution. Click here to go to the answer

Author Question: Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a ... (Read 96 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a
 
  A) dwarf galaxy.
  B) spiral galaxy.
  C) very flat elliptical galaxy.
  D) very dusty irregular galaxy.
  E) quasar.

Question 2

Which of the following statements about ozone (in Earth's stratosphere) is not true?
 
  A) The presence of ozone was crucial to the origin of life.
  B) If the ozone layer is depleted, we can expect the rate of mutations in land-based life-forms to increase significantly.
  C) Ozone absorbs ultraviolet light from the Sun.
  D) The ozone hole occurring each spring over Antarctica appears to be caused by human-made CFCs.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

B

Answer to Question 2

A




jrubin

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Gracias!


nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library