Citem um limite natural e um limite artificial, por favor, preciso entregar amanhã

Answer(apex)  ok i looked up two diff, sites both say the answer is a technological innovation that has allowed people to adapt to living in hot climates, plz check first good luck///

Aeolian processes,  pertain to  wind  activity in the study of  geology  and  weather  and specifically to the wind's ability to shape the surface of the  earth  (or other  planets). winds may  erode, transport, and deposit materials and are effective agents in regions with sparse  vegetation, a lack of soil moisture and a large supply of unconsolidated  sediments. although water is a much more powerful eroding force than wind, aeolian processes are important in arid environments such as  deserts

Hey there! something that is given up as the result of a choice is referred to as  a decisionwhen you have a choices that are being refereed, this would mean that this would be a decision.~jurgen