Which political party heads all the committees?

None, at the moment unless dated at past years

Explanation:

In today's society of the U.S. Republicans hold the Senate, while the democrats hold the House, but in 2015 Republicans did hold house and senate I think.

the first option is correct

mark me brainliest

~courtney

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.