<span>PROTECT THEMSELVES. Feudalism provided an early structure throughout (mainly europe) the world allowing for fealty to be pledged, taxes to be paid, and dominion to be assigned to oligarchy based royalty families. With an upward structure based on taxing, and tithing, and warring factions, feudalism allowed for the medieval empires to exist soundly.</span>
Answer:
Yes, of course they should. Their body there rules.
TRUE..................................................
The second alternative is correct (B).
The economic matrix in force in the world is based on the burning of fossil fuels, mainly petroleum, which releases amounts of CO2 and other gases in the ozone layer.
The acid rain is due to the exaggerated amount of products from the burning of fossil fuels released into the atmosphere. That is, human activities are mainly responsible for this phenomenon of acid rain.
Thus, the change to a clean energy matrix, using solar, wind and other energy, can result in a decrease in the phenomenon of acid rain.