<span>Antartica is designated as a scientific study region, therefore, signatories to the antarctic treaty agreed to forego its military/industrial development in 1959 to enable the study of complex natural biological processes that occur there and basically no where else on earth. </span>
Explanation:
Europeans during the Middle Ages had poor knowledge of geography (knew little about the outside world)
Beginning in the 1400's (15th century), western European nations (Portugal, Spain and then England, Holland and France) undertook expeditions to explore the Americas as well as new regions in Africa and Asia.
I believe B. It describes characteristics of a person who is self-sufficient and also applies to free competition in economics is the correct answer.
The hydrological structure of the drainage basin is a localized open system. A drainage basin is a piece of land that is drained by a river and its tributary.
<h3>What are the disadvantages of this system?</h3>
Basin irrigation is the most frequent type of surface irrigation, particularly in areas with modest field layouts.
Disadvantages of Basin Irrigation System:
1. It is not applicable to all crops.
2. There is water waste in it.
3. Diseases propagate through trees.
Thus Option A is the correct option.
For more information about Basin Irrigation system refer to the link:
brainly.com/question/1152007
The book of Acts was written by Luke. <span>The book covers a period of about 28 years, from Jesus’ ascension in 33 C.E. to the end of the second year of Paul’s imprisonment in Rome about 61 C.E. </span>