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

Author Question: Why is there a radioactive source in a smoke detector? a. It makes the smoke particles radioactive. ... (Read 106 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Jul 28, 2018
Why is there a radioactive source in a smoke detector?
 a. It makes the smoke particles radioactive.
  b. It ionizes the air.
  c. It powers the alarm when the battery wears out.
  d. none of the above

Question 2

What does the moderator do in a nuclear reactor?
 a. It is a safety feature that limits the nuclear reaction.
  b. It absorbs neutrons.
  c. It slows down neutrons.
  d. none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


xclash

  • Member
  • Posts: 681
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Standard Model of Elementary Particles Standard Model of Elementary Particles
Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
Cover and secure the cold source in place. Wrap the cold source using a towel or elastic bandage to ... Cover and secure the cold source in place. Wrap the cold source using a towel or elastic bandage to ...
Eggs are an excellent source of protein, but egg yolks are high in cholesterol Eggs are an excellent source of protein, but egg yolks are high in cholesterol
In situ hybridization between a radioactive probe In situ hybridization between a radioactive probe
Video: Homologous chromosomes during prophase I - Animation

For a complete list of videos, visit our video library