Feudalism is a practice that has been used around the globe at different times, but was made famous for its use in Europe during the Middle Ages. Feudalism set up a system of control whereby nobles had control over fiefdoms or territories that were run by vassals, whereby they provided some degree of safety or protection for the vassals in return for payment through crops or some form of money.
The elephants foot can expose up to 10,000 roentgens per hour.
Answer:
D
Explanation:
Who the hell asks this question in real life right!? Good luck now
The main way in which the astrolabe helped European explorers was that "<span>It allowed sailors to steer their ships better", since it gave a more precise measurement of altitude. </span>
