What areas of science and medicine did the ancient Egyptians study? PLZ HELP BEFORE I fail its worth 100 points

How do oceanographers measure the salinity of ocean water?

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j

What first caused people to consider that the continents were once one large landmass?