Best Answer

There are several limitations of carbon 14 dating. Firstly, carbon dating can only be used on objects that were or are living, meaning that man-made objects cannot be tested. Secondly, the sample tested must be quite large in size, because part of the object is broken down and lost when it is cleaned and distilled. The loss of the part may cause an inaccurate date given to the object. Thirdly, Changes in the atmosphere, particularly the thinning of the ozone, cause more Carbon 14 to be produced, so the standard measurement of the Carbon 14 existing in the time used to compare with the fossil must be transferred to the correct must be transferred to the correct amount, and these changes have not yet occurred.

Carbon dating is only effective at dating objects of up to 70,000 years in age

More answers

1) the half life of carbon 14 is 5700 years. After 3 half lives the data gets vague, after 5 it's a blur.

2) you must assume that "normal" respiration was occurring at the "beginning" of the dating (if a chair is made of wood stored in a cave for a 100 years, it's the death of the tree and not the construction of the chair that you're dating).

Unhappily for many creationists who criticize evolution, they fail to realize that carbon 14 dating is only rarely used in the context of fossils and mostly used in Archeology. This is because the half-life is just over 5,700 years, which makes it useless for dating the vast majority of rocks as the furthest back in time it will work fairly accurately is about 60,000 years. No use at all for a relatively young rock of 60,000,000 years old.

'''The following answer, which is factually inaccurate, was taken almost verbatim from http://contenderministries.org/evolution/carbon14.php. I will leave it here in it's entirety but add in notations to better the question asker's understanding of the subject.'''

One problem is that it (Carbon-14 Dating) may not be accurate because it relies on several assumptions (or guesses) that have not been proven (using the scientific method) to be true.

1. It assumes the rate of decay of carbon-14 has remained constant over billions of years.

''Radioactive decay rates do not change. Ever.''

2. It assumes the rate of carbon-14 formation has remained constant over billions of years.

''False. See my notation after #3.''

3. It assumes the concentrations of carbon-14 and carbon-12 have remained constant in the atmosphere over billions of years.''

''

''This is false. When scientists perform carbon dating they use a calibration curve (http://en.wikipedia.org/wiki/Radiocarbon_dating#The_need_for_calibration) to compensate for varying levels of carbon 14 in the atmosphere caused by variations in the rate of carbon-14 formation. They do NOT assume the levels of carbon-14 have been constant forever.''

4. It assumes the amount of carbon-14 being presently produced had equaled the amount of carbon-12, so that it had reached a "balance" that does not change.

''This is not only false but completely made up.'''''

'''

5. It assumes all plant and animal life utilize carbon-14 equally as they do carbon-12.

''It assumes no mechanism for straining out some or all of carbon-14 and using only carbon-12. This is because no one has ever show such a mechanism to exist.'' ''

''''The reason long term carbon dating (such as for determining the age of the earth) is not accurate is that we have no idea what the carbon-14 levels were past a certain point.

''

''for the short term (less than 45,000 years) carbon dating is indeed accurate due to calibration curves allowing scientists to compensate for varying levels of carbon-14 in the atmosphere. '' So its like a blind date its not gonna go well now is it da

Q: What are the disadvantages of carbon 14?

Write your answer...

Submit

Still have questions?

Continue Learning about Natural Sciences

Carbon - 14 has two more electrons than carbon - 12.

No, Carbon-14 naturally decays into nitrogen-14 through beta decay, not into Carbon-12. Carbon-12 is a stable isotope and does not undergo radioactive decay.

Carbon-14 has two more neutrons than normal carbon (carbon-12). This results in C-14 being radioactive, while C-12 is stable. This radioactive property of C-14 makes it useful for carbon dating in archaeology and geology.

Geologists use carbon-14 and carbon-12 in radiocarbon dating. Carbon-14 is a radioactive isotope that decays over time, while carbon-12 is a stable isotope. By measuring the ratio of carbon-14 to carbon-12 in a sample, geologists can determine the age of the sample.

Carbon-14 undergoes beta decay, where a neutron in the carbon-14 nucleus is transformed into a proton, resulting in the emission of a beta particle (an electron) and an antineutrino. This process transforms carbon-14 into nitrogen-14.

Related questions

Geologists use carbon-14, an isotope of carbon, and nitrogen-14 in radiocarbon dating. Carbon-14 is absorbed by all living organisms during their lifetime, and by measuring the ratio of carbon-14 to nitrogen-14 in a sample, geologists can determine its age.

Carbon 12 transforms into nitrogen 14, not carbon 13. Carbon 14 is an isotope of carbon that forms naturally in the atmosphere from nitrogen when bombarded by cosmic rays.

Carbon 14 is the isotope that is used for carbon dating.

Yes, the daughter element of carbon-14 is nitrogen. Carbon-14 undergoes beta decay to form nitrogen-14.

Carbon-14 itself is a radioactive isotope of carbon and does not have a distinct color. In its natural state, carbon-14 would not have a visible color.

Its not easy to make corrections on the copies

Carbon belongs to the nonmetals family on the periodic table.

Carbon -14 has extra two neutrons and is radioactive.

Three isotopes of carbon are carbon-12, carbon-13, and carbon-14. Isobars of carbon are elements with the same mass number, such as nitrogen-14 and oxygen-14.

No, carbon-14 is not a gas. Carbon-14 is a radioactive isotope of carbon that is commonly used in carbon dating to determine the age of organic materials.

Carbon dating measures the amount of carbon-14 remaining in an object to determine its age. By comparing the amount of carbon-14 to carbon-12 in a sample, scientists can calculate the approximate age of the object. The half-life of carbon-14 is about 5,730 years, so by measuring the proportion of carbon-14 remaining, scientists can estimate the age of the sample.

6 protons are in carbon 14