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

Author Question: Evidence that tidal interactions and collisions of galaxies may make ordinary galaxies active is ... (Read 102 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
on: Jul 27, 2018
Evidence that tidal interactions and collisions of galaxies may make ordinary galaxies active is that
 
  a. many active galaxies are distorted.
  b. some active galaxies have companions.
  c. many active galaxies are distorted and some active galaxies have companions.
  d. active galaxies are neither distorted nor have companions.

Question 2

The explosion of a supernova type II can leave behind
 
  a. a planetary nebula.
  b. a shell of hot, expanding gas with a white dwarf at the center.
  c. a shell of hot, expanding gas with a neutron star at the center.
  d. Nothing is ever left behind.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

c


nummyann

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 27, 2018
Thanks


Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Five Galaxies and Their Spectra Five Galaxies and Their Spectra
cI–Cro interactions in the ORPRM region cI–Cro interactions in the ORPRM region
Biomass can be processed to make vehicle fuels Biomass can be processed to make vehicle fuels
Primary Active Transport Primary Active Transport
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library