Answer: The caravels were small and highly maneuverable ships. They were developed by the Portuguese in the fifteenth century for the exploration of the West African coast and the Atlantic Ocean. The lateen sails were the reason for its speed. Spanish and Portuguese made full use of these ships during the Age of Discovery. Caravel is derived from the Portuguese world Caravela. Until the fifteenth century the Europeans used Balinger cargo ships which used one mast and were fragile. The caravels had their origin in Portuguese fishing boats.The caravels were lighter and had up to four masts, they had average capacity of 60 tons and had ellipsoidal frame these factors made the ships highly maneuverable. Christopher Columbus also used this ship for his explorations.
Explanation:
Consumers spend the least amount of time on their smartphones fulfilling the need to accomplish
Answer:
Cohort
Explanation:
Cohort studies refer to a form of medical study which is used to examine the reasons for the disease and to find its relation to the risk factors to medical outcomes. Usually, cohort studies track large groups of people, tracking their susceptibility to such risk variables in order to obtain answers to the potential causes of disease.
As per the question, researchers observe a group of people based on their smoking habits and tracked them for twenty years to observe its relation to lung cancer reflects the procedure of cohort studies.
Answer:
Option B
Explanation:
The best is to raise reserve requirement.
The capacity of the current reserve is based on its requirements. in other to expand, or improve the capacity, is to raise the requirement of the reserve.
It is just like having a pocket that can receive 100, if you want to increase the capacity of the pocket, you will need to adjust the pocket size, this is raising the pocket requirement for you to receive 200 in same pocket.
From my analogy, option B is the best answer to the question.