You have new items in your feed. Click to view.
Question and answer
Carbon-14 has a half life of about 5700 years. How useful is it in dating ancient fossils?
Carbon-14 is useful for dating ancient fossils because it is present in all living things.
Expert answered|DK519|Points 0|
Question|Asked by penny22
Asked 2/3/2014 9:39:07 AM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by penny22
Describe Alpha decay.
Weegy: During an alpha decay an atom's nucleus sheds two protons and two neutrons in a packet called an alpha particle. (More)
Question|Asked by penny22
Expert Answered
Updated 2/4/2014 12:13:16 PM
0 Answers/Comments
Describe beta decay
Weegy: In nuclear physics, beta decay ( decay) is a type of radioactive decay in which a beta particle is emitted from an atomic nucleus. (More)
Question|Asked by penny22
Expert Answered
Updated 2/3/2014 6:04:07 PM
0 Answers/Comments
How useful is it in dating ancient fossils?
Weegy: Dating ancient fossils help us understand what animals were alive during a certain time period. If we didn't date fossils, we wouldn't know when dinosaurs or other extinct animals existed. (More)
Question|Asked by penny22
Expert Answered
Asked 2/3/2014 9:46:20 AM
0 Answers/Comments
Explain what the term half-life means ?
Weegy: Half-life (t½) is the amount of time required for a quantity to fall to half its value as measured at the beginning of the time period. (More)
Question|Asked by penny22
Expert Answered
Updated 2/3/2014 3:15:54 PM
0 Answers/Comments
How were species affected by the break up of Pangaea?
Weegy: The species were affected by the break up of Pangaea by the climate , because in some places the climate get cooler and some of the species died , [ environment and natural selection affected the species as well ] (More)
Question|Asked by penny22
Expert Answered
Asked 2/3/2014 9:42:22 AM
0 Answers/Comments
27,052,034 questions answered
Popular Conversations
Select the correct difference. 5d 2 + 4d - 3 less 2d 2 - 3d + 4
Weegy: (5d^2 + 4d - 3) - (3d^2 - 2d + 4) = (5d^2 - 3d^2) + (4d + 2d) + ( - 3+ -4) = 2d^2 + 6d - 7 User: If ...
2/26/2017 3:51:53 PM| 3 Answers
a. sperm and egg will be released simultaneously. b. only the fittest ...
Weegy: Internal fertilization takes place inside the female after insemination through copulation. User: This type ...
2/27/2017 12:15:39 PM| 3 Answers
The Romans: made improvements to surgical instruments. 2) built ...
Weegy: In the late 1860s, the development of anesthetics allowed surgeons to take more time with operations.
2/26/2017 3:41:44 PM| 2 Answers
Evaluate (-3 + 5)0 User: Evaluate x1 - x-1 + x0 for x = 2. ...
Weegy: 0.514 written as a power of 10 is 514 ? 10^-3 User: The scientific notation 2 x 102 has what value? ...
2/26/2017 4:37:24 PM| 2 Answers
Helper T cells are _____ blood cells that activate your body's immune ...
Weegy: Helper T cells are WHITE blood cells that activate your body's immune response. User: Pelvic inflammatory ...
2/26/2017 11:44:59 PM| 2 Answers
What is our most abundant and least used renewable energy ...
Weegy: Solar energy is our most abundant and least used renewable energy source. User: Which of the following is a ...
2/27/2017 8:39:12 AM| 2 Answers
Weegy Stuff
S
P
P
L
Points 491 [Total 1260] Ratings 2 Comments 471 Invitations 0 Offline
S
P
P
L
P
P
Points 447 [Total 2421] Ratings 1 Comments 437 Invitations 0 Offline
S
P
P
L
P
Points 229 [Total 1443] Ratings 0 Comments 229 Invitations 0 Offline
S
Points 30 [Total 30] Ratings 3 Comments 0 Invitations 0 Offline
S
Points 24 [Total 24] Ratings 0 Comments 14 Invitations 1 Offline
S
Points 15 [Total 15] Ratings 1 Comments 5 Invitations 0 Offline
S
Points 12 [Total 112] Ratings 1 Comments 2 Invitations 0 Offline
S
Points 12 [Total 22] Ratings 1 Comments 2 Invitations 0 Offline
S
Points 5 [Total 5] Ratings 0 Comments 5 Invitations 0 Offline
S
Points 4 [Total 4] Ratings 0 Comments 4 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.