Descibe the unique features of the dead sea. where is this lake located? how is it changing

Explain the value of statistics and other data to positive economics and to normative economics

Which season has the least amount of rain in the northern latitudes

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?