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

Author Question: Most astronomers now believe the demise of the dinosaurs 65 million years ago was caused by a large ... (Read 140 times)

bobypop

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
Most astronomers now believe the demise of the dinosaurs 65 million years ago was caused by a large asteroid impacting the Yucatan peninsula area.
 
  Indicate whether the statement is true or false

Question 2

The distribution of the dark matter in a spiral galaxy is
 
  A) flattened in a disk but about ten times larger than the stellar disk.
  B) flattened in a disk and about the same size as the stellar disk.
  C) approximately spherical and about ten times the size of the galaxy halo.
  D) predominantly concentrated in the spiral arms.
  E) approximately spherical and about the same size as the galaxy halo.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Cnarkel

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

C


bobypop

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Excellent

AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower
The Very Large Array (VLA) The Very Large Array (VLA)
Shifts between Warm and Cold Periods during the Last 3 Million Years Shifts between Warm and Cold Periods during the Last 3 Million Years
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ... The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...
Heart drawing by 6 years old Heart drawing by 6 years old
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library