The adoption of which two practices to increase the amount of food produced per unit area of farmland?

four-field crop rotation,

the application of chemical pesticides,

the use of steam-powered tractors,

land irrigation using steam-powered pumps,

selective livestock breeding

The correct answers are A) four-field crop rotation and E) selective livestock breeding.

The adoption of the following two practices helped to increase the amount of food produced per unit area of farmland: four-field crop rotation and selective livestock breeding.

It was during the 16th century that new agricultural technologies innovated the way farm fields were worked. The four-field crop rotation that allowed farmers to diversify the kind of crops that grew in the same place, represented a great advancement for agriculture. Something similar happened with the breeding of selective stock in farms. New advancements in animal nutrition allowed the production of better food that could be traded at better prices.

islamic religious leaders have traditionally been people who, as part of the clerisy, mosque, or government, performed a prominent role within their community or nation. however, in the modern contexts of muslims minorities in non-muslim countries as well as secularised muslim states like turkey, indonesia and bangladesh, religious leadership may take a variety of non-formal shapes.

compared to religious leaders/clerics of the other abrahamic faiths, islamic clergy are said to resemble rabbis and not priests. unlike catholic priests they do not "serve as intermediaries between mankind and god",[1] have "process of ordination",[2] or "sacramental functions",[1] but instead serve as "exemplars, teachers, judges, and community leaders," providing religious rules to the pious on "even the most minor and private" matters.[1]