Congress was led to believe attack(s) occurred against american warships in the gulf of tonkin.

answer; when one group has an extremely high score at pretest;

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.

aliens arent real sorry bud

permafrost layer, it exists beneath a layer of soil, rock or sediment.