1-C. Children brought up by bilingual parents may naturally learn two languages.Children brought up by bilingual parents may naturally learn two languages.
2-C. In fact, most people around the world count using the base-10 system, a method which scholars say we probably inherited from early ancestors who counted, quite naturally, with their fingers.In fact, most people around the world count using the base-10 system, a method which scholars say we probably inherited from early ancestors who counted, quite naturally, with their fingers.
3-C. The former, allowing it to age naturally, can take weeks or months, or even in an extreme case, as long as 100 years, as in expensive Italian balsamic vinegars.The former, allowing it to age naturally, can take weeks or months, or even in an extreme case, as long as 100 years, as in expensive Italian balsamic vinegars.
4-C. Wood that has been naturally dried to around 13% moisture content and then painted will continue to dry gradually until it reaches about the same percentage of moisture as painted kiln-dried wood.Wood that has been naturally dried to around 13% moisture content and then painted will continue to dry gradually until it reaches about the same percentage of moisture as painted kiln-dried wood.