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

Author Question: The natural background radiation we personally encounter is A) a trace amount. B) about a ... (Read 62 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 29, 2018
The natural background radiation we personally encounter is
 
  A) a trace amount.
  B) about a quarter.
  C) about half.
  D) more than half.

Question 2

The main source of Earth's natural heat is
 
  A) molten-hot lava.
  B) pressure on Earth's interior.
  C) radioactivity in Earth's interior.
  D) solar energy in the form of fossil fuels.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


asmith134

  • Member
  • Posts: 576
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Boundaries within landscapes created by human activity (background) and natural environmental gradie Boundaries within landscapes created by human activity (background) and natural environmental gradie
Alexander Fleming photographed in his lab where he observed the natural competition between a fungus Alexander Fleming photographed in his lab where he observed the natural competition between a fungus
Natural defenses against stomach acid Natural defenses against stomach acid
Natural Causes of Climate Change Natural Causes of Climate Change
Using trace elements in carbonate shells to estimate temperature Using trace elements in carbonate shells to estimate temperature
Beer is made from the fermentation of yeast and the natural sugars from grains Beer is made from the fermentation of yeast and the natural sugars from grains
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library