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 74 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
Excellent

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

History of Quasar Formation History of Quasar Formation
Formation of heterogeneous ribonucleoprotein particles (hnRNPs) and export of mR Formation of heterogeneous ribonucleoprotein particles (hnRNPs) and export of mR
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Hurricane Formation and Decay Hurricane Formation and Decay
Formation of primary and secondary lysosomes and their role in cellular digestive Formation of primary and secondary lysosomes and their role in cellular digestive
Hormonal pathways that influence sperm formation Hormonal pathways that influence sperm formation
Video: Interview with Person who has Schizophrenia

For a complete list of videos, visit our video library