qnli question: Malyarchuk said the Mongoloid component of Slavic people was partially added before the split of "Balto-Slavics" in what time period? sentence: Malyarchuk said the Mongoloid component of Slavic people was partially added before the split of "Balto-Slavics" in 2,000–3,000 BC with additional Mongoloid mixture occurring among Slavics in the last 4,000 years.