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

Author Question: Collisions between galaxies typically unfold over a period of A) several days. B) several ... (Read 27 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
Collisions between galaxies typically unfold over a period of
 
  A) several days.
  B) several months.
  C) thousands of years.
  D) hundreds of millions of years.

Question 2

Different dog breeds have been bred by humans from a common ancestor over the past few thousand years. This is an example of
 
  A) natural selection
  B) un-natural selection
  C) artificial selection
  D) artificial insemination


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
Reply #2 on: Jul 27, 2018
Thank you!


Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Barred Spiral Galaxies Barred Spiral Galaxies
Galaxies Forming by Combining Smaller Units Galaxies Forming by Combining Smaller Units
Asomatognosia typically involves damage to the right parietal lobe. Asomatognosia typically involves damage to the right parietal lobe.
Fetal Period Fetal Period
Development of the Eyes and Ears: External View - 28 days Embryo Development of the Eyes and Ears: External View - 28 days Embryo
Nils Hoffmann feat. Julia Church - 9 Days Nils Hoffmann feat. Julia Church - 9 Days
Video: B cells and antibodies

For a complete list of videos, visit our video library