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

Author Question: Spurs are probably the result of ____. a. self-sustaining star formation b. spiral density waves ... (Read 41 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
on: Jul 27, 2018
Spurs are probably the result of ____.
 
  a. self-sustaining star formation
  b. spiral density waves
 c. differential rotation
 d. the central galactic bar
 e. the short lifetime of O stars

Question 2

The equivalence principle can be best illustrated by ____.
 
  a. a person riding in an elevator
 b. a rocket coasting through space at a constant velocity
  c. the change in mass of a moving body
 d. the formation of energy by nuclear fusion
 e. a car ride on a highway with the windows open


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


tiffannnnyyyyyy

  • Member
  • Posts: 512
Reply 2 on: Jul 27, 2018
:D TYSM

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

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

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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.

(A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene (A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene
Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch
The Major Subcortical Connections of the Hippocampal Formation The Major Subcortical Connections of the Hippocampal Formation
EKG Waves EKG Waves
Formation of Acid Rain Formation of Acid Rain
World population density World population density
Video: Polysaccharides

For a complete list of videos, visit our video library