Physics, 05.10.2019 17:00 pineapplepizaaaaa

Which statement about quarks is not correct?
a. only two quarks are needed to construct a hadron.
b. an isolated quark has been observed by physicists.
c. every quark has an antiquark of opposite charge.
d. there are six quarks that fit together in pairs.

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Which statement about quarks is not correct?
a. only two quarks are needed to construct a had...