« previous next »

Author Question: The Sun will one day pass through the instability strip and become a variable star. a. True b. ... (Read 46 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
on: Jul 27, 2018
The Sun will one day pass through the instability strip and become a variable star.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Which of the following in not a factor that prevents molecular cloud contraction?
 
  a. thermal motion b. a force exerted by a magnetic field
  c. orbital motion d. turbulence


yahahah24021

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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.

Shooting star Shooting star
Yellow Star Grass Yellow Star Grass
Star Map Eastern Horizon Star Map Eastern Horizon
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Variable expressivity of Waardenburg syndrome Variable expressivity of Waardenburg syndrome
Video: How does asthma work?And How do you treat asthma?

For a complete list of videos, visit our video library