Answer:
Europeans did not know the actual size of the world.
Explanation:
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According to Roselli (2003) among other authors, during adolescence exists an increment in the formation of the dendritic connections as well as a change in the cortex associated with the acquisition of complex cognitive functions. The maturation of the right hemisphere is also related to the shift in the emotional conduct, and the maturation of the left hemisphere is associated with the improvement of the language. The maturation of the prefrontal structures correlates with the development of the cognitive functions.
references
Rosselli, M. (2003). Maduración cerebral y desarrollo cognoscitivo. Revista Latinoamericana de Ciencias Sociales, Niñez y Juventud, 1(1), 125-144.
ANSWER: RELATED TO TASK DIFFICULTY.
EXPLANATION:
Psychologically, OPTIMAL AROUSAL refers to the level of mental stimulation which results to full maximization of learning process, physical performance (such as seen in athletes) or proper wellbeing.
However, research has established that different levels of arousal is generated for different tasks to get optimal performance. It was also established by researchers of this context that lower or optimal level of arousal is generated for difficult tasks to ensue better concentration. In the other hand, tasks with less intellectual demands generates higher levels of arousal in other to increase motivation.
Answer:
Decentralized Execution.
Explanation:
'Decentralized Execution' is described as the process of assignment of execution authority, the subordinate or low-level commanders. The authority of taking the initiative of necessary decisions or actions to subordinate commanders on the basis of information available and guidance and rules provided by the air component commander allows the aerospace forces to mitigate the area denial or anti-access challenges posed and proves to be a cornerstone in ensuring success in modern warfare.
Answer: stage 2.
Explanation:
When we are talking about the theory that involves the comparison of infant death rates and birth rates then, what comes into mind is the demographic transition. Demographic transition has 5 stages which includes the following;
(1). Stage 1 : where the infant death rate and birth rates are high and the natural increase is stable.
(2). Stage 2: where we have the death rate falling rapidly and an increase in the birth rate.
(3). Stage 3: where the birt rate falls and the death rate also continue to fall.
(4). Stage 4 : both the birth rates and the health rates are low.
(5). Stage 5: at this stage the death rate is still low and the birth rate increase.
From the question; Country x has a crude birth rate of 40 and a crude death rate of 15. The birth rate increases,that is 40 and the dealth rate is low, that is 15 for the Country which means that the country's demographic transition is STAGE 2.