Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
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 the same visitor
A rubidium isotope has a half-life of almost 50 billion years. Given that scientists estimate Earth's age to be 4.6 billion years, what is the most likely percentage of parent to daughter isotopes of this element currently existing on Earth?
Weegy: C. 23.5?. Currently, Earth's tilt is closest to 23.5?. User: Which of the following processes causes the greatest loss of mass within an atom? A. Alpha decay B. Beta decay C. Electron capture D. Gamma emission Weegy: A. Alpha decay (More)
Question
Expert Answered
Asked 8/8/2012 11:53:37 PM
0 Answers/Comments
The half-life of carbon-14 is 5,730 years. How many grams of parent material will remain from a 100-gram sample of carbon-14 after 2 half-lives? A.75 B.6.25 C.12.5 D. 25
Weegy: A.75 User: Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-fourth the original amount of parent isotope? a. 1.25 billion b. 2.5 billion c. 3.75 billion d. 5 billion Weegy: b. 2.5 billion (More)
Question
Expert Answered
Asked 8/9/2012 12:14:59 AM
0 Answers/Comments
You are given a box of 100 silver dollars, all facing "heads" up. You are instructed to shake the box 3 times; after each shake, you will remove all the dollars that are "heads up" before shaking again. You may keep all the dollars that are still tails up following the third shake. How many dollars will you most likely get to keep?
Weegy: 12 silver dollars. User: Scientists estimate Earth's age to be 4.6 billion years. Samarium has a half-life of approximately 106 billion years. From the present date, approximately how many more years must pass before a sample of samarium that was created at the beginning of Earth's history contains 50 percent of the original parent material? a. 1 billion b. 10 billion c. 100 billion d. 1,000 billion Weegy: c. 100 ... (More)
Question
Expert Answered
Asked 8/9/2012 12:10:35 AM
0 Answers/Comments
17,190,273 questions answered
Popular Conversations
Indicate whether the statement is true or false. The reason a penny ...
Weegy: TRUE - The reason a penny thrown straight up inside an airplane will come back to your hand is that you, the air ...
8/31/2014 3:31:31 PM| 4 Answers
A line passes through the points (-10, -4) and (-1,2). What is the ...
Weegy: A line passes through the points (-10, -4) and (-1,2). The y-intercept of the line is 8/3. The equation of the ...
8/31/2014 11:50:10 AM| 3 Answers
India is a subcontinent and consists of all of the following except. ...
Weegy: Indian subcontinent has all the features , valleys in himalayan mountains , deccan plateaus , thar desert , and ...
8/31/2014 11:02:13 AM| 2 Answers
Market economy. User: Command economy.
8/31/2014 8:31:19 PM| 2 Answers
Consider this quote: "In each of these historical instances . . . ...
Weegy: D. it stands for the omission of only a single word. User: Which of the following statements correctly ...
9/1/2014 8:30:28 AM| 2 Answers
Which of the following is least likely to form ...
Weegy: Helium is least likely to form bonds. User: Which of the following is an example of plasma? the atmosphere ...
8/31/2014 12:42:25 AM| 1 Answers
Weegy Stuff
S
L
1
L
Points 112 [Total 6645]| Ratings 0| Comments 112| Invitations 0|Offline
S
R
L
1
1
P
C
1
P
1
1
L
P
C
P
C
1
P
C
L
P
C
1
P
C
P
C
Points 88 [Total 24488]| Ratings 0| Comments 88| Invitations 0|Offline
S
L
C
P
C
1
L
L
Points 72 [Total 16011]| Ratings 0| Comments 72| Invitations 0|Offline
S
L
1
1
1
1
L
1
Points 53 [Total 9833]| Ratings 0| Comments 53| Invitations 0|Offline
S
L
P
C
L
P
C
P
C
L
P
C
P
C
P
C
Points 42 [Total 17214]| Ratings 0| Comments 42| Invitations 0|Online
S
Points 20 [Total 20]| Ratings 0| Comments 0| Invitations 2|Offline
S
1
L
1
L
P
P
L
Points 19 [Total 11265]| Ratings 0| Comments 19| Invitations 0|Offline
S
L
P
C
P
C
1
L
P
C
L
P
C
P
C
P
C
P
C
Points 18 [Total 18549]| Ratings 0| Comments 18| Invitations 0|Offline
S
Points 16 [Total 686]| Ratings 0| Comments 16| Invitations 0|Offline
S
P
C
L
P
L
1
Points 14 [Total 6071]| Ratings 1| Comments 4| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.