hector5559
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ROMOS
Best answer!
QUARKS.
Protons are made of two Up and one Down quark. The neutron is made of two Down and one Up quark.
Quarks are believed to be one of the basic building blocks of matter. Quarks were first discovered in experiments done at the Stanford Linear Accelerator Center in the late 1960's and early 1970's.
| 10 years ago. Rating: 7 | |
i can not find them on my Fluke meter,
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