According to sylvia ann hewlett (2003), what percentage of high-achieving women in their midlife are unmarried?
(a) 20%
(b) 40%
(c) 60%
(d) 80%

Letter B is the correct answer.

Sylvia Ann Hewlett is an economist, lecturer, and expert on gender ad workplace issues who talks about successful executive women the myth of having it all. According to her, about 40% of high-achieving women are unmarried and childless, not because they made this choice but because for most of them the need for having ambitious careers, difficulty of bearing kids late in life and the male-female relationship asymmetries have led them to it.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.