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around 400 million years old
What else can I help you with?
What are marbles uses?
one of marbles uses are counter tops
What is the difference between uranium Marbles and marbles?
Uranium marbles are glass marbles made with uranium oxide, which gives them a unique fluorescent glow under ultraviolet light. Regular marbles, on the other hand, are made from various materials like glass, clay, or metal, without the use of radioactive materials. Uranium marbles are collectibles due to their distinctive appearance and historical significance.
If 13 marbles are 1 of the marbles in the jar how many marbles are in the jar?
Well, if 13 marbles represent 1 marble in the jar, then it's safe to assume there are 13 marbles in the jar. Simple math, my friend. So, if you're looking to start a game of marbles, looks like you've got a baker's dozen worth of fun waiting for you in that jar.
How does the concentration of marbles in the mixture change as sand is removed?
As sand is removed from a mixture containing marbles and sand, the concentration of marbles increases. This is because the total volume of the mixture decreases while the amount of marbles remains the same, leading to a higher ratio of marbles to the total mixture. Consequently, the relative abundance of marbles becomes more pronounced as the sand decreases.
Explain how four red marbles can make up 13 of a group of marbles and three blue marbles make up 14 of the same group?
There has to be 12 marbles in the group. If 4 are red that is 1/3 of 12 and if 3 are blue that is 1/4 of 12. The rest can be any color. That is how you explain how four red marbles can make up 1/3 of a group of marbles and three blue marbles make up 1/4 of the same group :)
How can you tell the difference in marbles that glow and old marbles that have uranium?
gieger counter
Where can you find the old classic game marbles?
You can still find old classic game marbles in most toy stores and toy departments.
Does anyone know anything about collecting old marbles?
Want to find out the value of your marbles? There are plenty of web information about all types of old marbles, especially in the Antique Marble and Price Guide, which also has information about the different companies that made marbles, and how they did it. I also found a website with instructions on making marbles. Antique Marble and Price GuideJanes Marble CollectionAntique Marbles CollectionCollectable Marbles * http://gometaldetecting.com/collectible_marbles.htm
Why is marbles not a popular sport anymore?
its old
How can you tell old marbles from new?
they can be cracked.
Are marbles name after animals?
marbles were originally made from the stone, marble. so even after people started making them out of glass they kept the name marbles. I have an old marble marble.
What is the old English name for marbles?
troll my dame
What is the size of the devils marbles?
the devils marbles are 1802 hectares in size
How old is Jenna Marbles the youtube star?
25 she was born in 1984
Jerry has a total of 23 marbles the marbles are either blue or green he has three more blue marbles than green marbles how many marbles does he have?
He will have 13 blue marbles and 10 green marbles.
Jerry has a total of 23 marbles The marbles are either blue or green He has three more blue marbles than green marbles How many blue marbles does he have?
10 Green marbles, 13 Blue marbles.
Erry has a total of 23 marbles The marbles are either blue or green He has three more blue marbles than green marbles How many green marbles does he have?
He has 10 green marbles.
