The answer is a seismograph
Answer:
Explanation:
The most important motive for early European exploration across the Atlantic was the dream of enormous riches. Initially, explorers and merchants hoped to find a sea route across the Atlantic to the thriving markets of Asia. But Columbus and his fellow Europeans greatly miscalculated the circumference of the earth.
Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
Answer:
True
Explanation:
Deep space telescopes are fitted with the faint object cameras, that are way better than ground-based spectroscopically functioning telescopes. The Subaru telescope at Hawaii observed the faintest object ever from a ground-based telescope. But when compared to other deep-space telescopes like Hubble's deep space telescopes it's very small. They have reached up to a magnitude of 31 , which observes 20 times fainter objects .
Over 2/3 of the argicultural land is used
