Muzvidzidzo zveScience Munyungu (solution in English) zvinoreva musanganiswa weicho chinokonzrea kunyungudika neicho chacho changungudika. Chacho chiri kunyungudika chinonzi nyungurwa; icho chiri kunyunguditsa chonzi nyungurudzi. Sokuti kana mvura ichi nyunguditsa shuga; iyo mvura ndiyo nyungurudzi, shuga ndiyo nyungurwa.