How does a geiger counter measure radiation levels? a) radiation is absorbed by gas atoms, which undergo phosphorescence and emit a different radiationb) radiation is absorbed by gas atoms, which undergo nuclear reactions and emit a different radiationc) radiation knocks neutrons out of gas atoms, which causes the gas atoms to become unstabled) radiation knocks electrons out of gas atoms, which allows the gas to conduct an electric current

D) Radiation knocks electrons out of gas atoms, which allows the gas to conduct an electric current

Explanation:

The geiger counter measures radiation because when radiation enters the container it knocks electrons out of the atoms in the gas, causing an electric current, this is what is measured by the geiger counter and it sends a digital or analogic signal into the display that states how much radiation there is in the environment, as this is a device that functions on a certain level, because most geiger counters only are able to measure upto a certain point.

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