Question

খাদ্যাভ্যাসের ইতিহাস, কোথায় শুরু হয়?​

Answer 1

Quarks are among the smallest particles in the universe, and they carry only fractional electric charges. Scientists have a good idea of how quarks make up hadrons, but the properties of individual quarks have been difficult to tease out because they can't be observed outside of their respective hadrons.