(FUVEST-SP) “Quantas semanas para eles o trabalho?” Assinale a alternativa que complete corretamente a frase. * a) É necessário – terminassem

b) São necessárias – terminarem

c) É necessário – terminar

d) São necessários – terminem

Podem me ajudar?? por favor
Na verdade é gramática mais não tinha essa opção

b)

Semanas is femenine and plural, therefore eleminating all the other options from the start.

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.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.