What god helped “Hercules”?

Athena helped Hercules during labors 6, 11, and 12. To scare off the enormous flock of birds at a lake by the town of Stymphalos during Labor No. 6, Athena gave Hercules noisemaking clappers, known as krotala

1) d

2)c

3)b

4) a

5)c

6) c

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.