Explanation:
Styles include pre-Romanesque, Romanesque, and Gothic. While most of the surviving medieval architecture is to be seen in churches and castles, examples of civic and domestic architecture can be found throughout Europe, in manor houses, town halls, almshouses, bridges, and residential houses.
The term is "z<span>one of proximal development".</span>
ZPD which is
an abbreviation for the zone of proximal development is the contrast between what children or learner can manage
without help, and what they can't do. The idea was presented, yet not
completely created, by Lev Vygotsky amid the last decade of his life. He was a
psychologist born in 1896.
This will result in reduced yields, reduced quality, or higher costs per unit of production when compared to well-designed irrigation systems.
Without trade, a country's production possibilities frontier is also its consumption possibilities frontier.
Therefore, your answer is d.