The opportunity cost in this scenario is Mikael's decision to forgo seeing Ouro Preto during his stay in Brazil.
Opportunity cost refers to the decision making process people use in terms of how they spend their time, resources, or money. This term refers to the loss that a person suffers by picking a certain option. In this case, Mikael does not want to cut his food budget. Instead, he picks to skip visiting Ouro Preto. So this represents how Mikael is losing out on seeing this site in order to eat the foods he wants while on vacation.
Crop rotation :) I think there's a fancy name they used I can't seem to recall but essentially it's just crop rotation haha hope this helped
Answer:
Id go with B Not completely sure tho
Explanation:
Boats and railroads were improved with the use of steam power.
