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Why are false teeth radioactive?

False teeth, or dentures, can become radioactive if they are made from materials containing trace amounts of radioactive isotopes, such as uranium or thorium, which can be found in some dental ceramics or materials. Additionally, if a patient has undergone certain medical treatments that involve radioactive materials, residual radioactivity could potentially be absorbed by dental prosthetics. However, the levels of radioactivity in false teeth are typically very low and not considered harmful. Regular dental materials used today are generally safe and do not pose a radiation risk.


All living things on earth are radioactive true or false?

False. Not all living things on Earth are radioactive. Radioactivity is a natural process that can be found in some elements and materials, but it does not apply to all living organisms.


True or false unstable atom that decomposes and emits energy is called retroactive?

No, it's called "radioactive." "Retroactive" is something that's active in regards to the past.


Radiometric dating means placing events in their proper sequence?

Actually, radiometric dating is a method used to determine the age of rocks and other materials based on the decay of radioactive isotopes. It helps scientists calculate the age of geological samples by measuring the ratio of different isotopes present in the material.


Is this statement true or false Radon is found in all kinds of rocks everywhere.?

false


True or False does our body contains a number of radioactive isotopes?

True. Our body naturally contains several radioactive isotopes such as potassium-40, carbon-14, and radon-222. These isotopes are present in very small amounts and are generally not harmful to health.


Is A mineral is a compound of a metal mixed with other materials on rock true or false?

false. it does not have to have materials from rock :)


Hazardous materials are only hazardous to the environment True or False?

False.


Is the ozone layer in the exosphere true or false?

False it is. It is present in the stratosphere.


The nucleus of a radioactive element does not break down and give off particles and energy?

false


Are radioactive isotopes are used in medicines or power plants and tracers true of false?

true


True or false the policy adopted under president Nixon towards native Americans was to terminate the reservations?

This is false. I had the same question for my homework, everywhere i looked said false.