The Astrolabe was used for determine the location.
Answer:
Without the downward force of gravity, the body works considerably less, causing muscle deterioration and loss of bone density. In a single month in space, astronauts can lose as much bone mass as a postmenopausal woman does in a year
Explanation:
In the fall of 1095, the emperor in Constantinople, Alexius I, sent an envoy asking Pope Urban II<span> for help against the Seljuk Turks who were encroaching on their lands and on the rights of Christians. ... In order to evaluate the motives and motivations of the crusaders, it is useful to look at </span>Pope Urban's<span> speech.
</span>
