Answer:
Paleontology seeks to map out how life evolved across geologic time. A substantial hurdle is the difficulty of working out fossil ages. Beds that preserve fossils typically lack the radioactive elements needed for radiometric dating. This technique is our only means of giving rocks greater than about 50 million years old an absolute age, and can be accurate to within 0.5% or better.
Explanation:
One of the primary consequences of the railroad in the United States was the creation of a system by which goods could easily be moved east to west, opening new sections up that were previously only accessible by horse or on foot.
Christopher Columbus was an Italian explorer who was responsible for opening the "New World" to European colonization in 1492. This was the first contact that Europe had had with the Caribbean, Central and South America. Columbus's voyages were sponsored by the Catholic Kings of Spain, Isabella and Ferdinand.
When Columbus undertook these trips, he made some promises to the Kings in order to guarantee their support. Columbus promised that he would <u>bring back gold, spices, and silks from the Far East; spread Christianity; and lead an expedition to China.</u>
Answer:
Users are only provided the level of access needed for the task
Explanation:
The principle of least privilege is a concept in computer security, it is the practice of limiting access rights of a computer/information system user to the barest minimum needed for them to perform their task
