This topic contains a solution. Click here to go to the answer

Author Question: Why is there a radioactive source in a smoke detector? a. It makes the smoke particles radioactive. ... (Read 104 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
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
Answer to Question 1

B

Answer to Question 2

C




xclash

  • Member
  • Posts: 681
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library