I think the answer is <span>A. encouraging commerce and industry which generated more income to the Prussian kingdoms.</span>
It is referred as <span>parasitism</span>
Because they are built with overlapping sand and they can break easily.
The most dangerous use of pesticides for humans is that spreading pesticides with <span>airplanes. I cannot be a help if we use airplanes to spread the pesticides because it will not come to the land who need it rather or maybe it will come to the village where people lives.</span>
