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Around 60,000 years is the maximum date for which radiocarbon dating can be done; blanks (samples which contain no carbon-14) generally test at around this date due to contamination during the sampling/testing process.

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What is a positive ion called?

Positively charged ions are called cations and negatively charged ions are called anions. This is potentially the opposite way around to what you might expect but was named after the electrode an ion was attracted to. An anion is attracted to a positive electrode (the anode) and vice versa.


What is an archetypes in once and future king?

A character archetype would be Innate Wisdom versus Educated Stupidity. Kay and Wart would be the example for this archetype since Kay is technically the leader, but Wart is more suited to be one. Kay's illogicality loses to Wart's smart sense.


How can permafrost cause architectural damage?

Permafrost can cause architectural damage by thawing and settling, leading to foundation shifting, cracking, and structural instability. As the permafrost thaws, the soil loses its frozen support and can lead to uneven settling and potential damage to building foundations or infrastructure. This cycle of freezing and thawing can cause significant damage over time, compromising the integrity of structures built on permafrost.


Did Paleolithic people irrigate crops?

The Paleolithic era happened before the invention of agriculture, so people of the time did not intentionally raise crops at all - they were hunter-gatherers. So they did not irrigate anything. I say 'intentionally' because, by gathering, eating and discarding seeds and nuts, they probably accidentally began the process of selecting plants, adapting plant evolution to favour the eventual growth of agriculture. Suppose you are out picking berries. Some you will eat right there, but almost certainly you will carry some back to your family and friends at your camp. You will also probably select the larger and juicier-looking fruit. Some plants rely on a pod-opening mechanism to spread seeds, but if one of these plants mutates, it loses the pod-opening gene, which means when you come along the tasty seeds are still there. OK, so you come back to the camp with your spoils and everyone tucks in. Not long afterwards you are going to need to use the bathroom - well, you don't have a bathroom, but you almost certainly have a latrine somewhere, or at least you and your group are in the habit of walking a little way off into the bush to do what needs to be done. From the plants point of view, you have just planted the seeds of the biggest berries or of the non-popping legume, in a nice rich growing medium. Months later when your lot come round this way again, there are slightly bigger juicy berries and a whole bunch of the non-popping legume waiting for you.


Related Questions

What does Carbon 14 become if it loses 2 neutrons?

It becomes an isotope of carbon- carbon11. The atomic mass (A) decreases by one.


What does the blood drop off in the lungs?

it drops off co2 (carbon dioxide)


What element is formed when carbon loses a beta particle?

When carbon loses a beta particle, it becomes nitrogen. This is because beta decay involves the transformation of a neutron into a proton, leading to the element changing by one on the periodic table.


Gains or loses electrons for carbon?

Carbon can both gain and lose electrons. We "see" it every day in the form of compounds or in pure substance.


What are the release dates for Zoe Loses It - 2000?

Zoe Loses It - 2000 was released on: USA: 2000 (TV premiere)


How do archaeologist and anthropologists determine the age of objects they find?

One valuable method is radiocarbon dating. All living things absorb a small amount of radioactive carbon(C-14) from the atmosphere. After a living thing dies it slowly loses C-14. a scientist can calculate the age of an object by measuring the amount of C-14 left in it. Another method is thermoluminescence dating. This dates and object by measuring the light given off by electrons trapped in the soil surrounding fossils and artifacts.


What are the release dates for The Best Man Loses - 1918?

The Best Man Loses - 1918 was released on: USA: 24 June 1918


What are the release dates for Felix Wins and Loses - 1925?

Felix Wins and Loses - 1925 was released on: USA: 1 January 1925


The use of carbon steel as a cutting-tool material is restricted because?

it loses hardness at high temperatures.


What do you call an atom that is both an ion and an isotope?

You call it an ion of that isotope. Let's use carbon-14 for example. If a carbon-14 atom gains/loses an electron, you simply call it a "carbon-14 ion".


What are the release dates for Pingu - 1986 Pingu Loses the Bet?

Pingu - 1986 Pingu Loses the Bet was released on: USA: 29 March 2005


What are the release dates for Lonesome Luke Loses Patients - 1917?

Lonesome Luke Loses Patients - 1917 was released on: USA: 16 September 1917