Answer to Question 1ANS: B
Hipparchus divided the Earth's surface into 360 degrees and created a uniform grid system of latitude
and longitude. Alexandria, the home of Hipparchus and the great Library of Alexandria, was the
location of the first zero longitude line. Understanding the Ocean Began with Voyaging for Trade
and Exploration
Answer to Question 2ANS: A
The Challenger was truly a revolutionary undertaking. The expedition, conceived and led by scientists,
was devoted purely to scientific exploration and was the first of its kind. The expedition launched in
December of 1872 and ended in May of 1876. During that time, 4,717 new species were discovered,
and there was enough information gathered to generate a fifty volume report. Information can be found
in the section The First Scientific Experiments Were Undertaken by Govern