Something that is given up as the result of a choice is referred to as A. a cost
B. scarcity
C. a shortage
D. a decision

Find a formal factor that connects egypt to africa to europe and to southwest asia

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?

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering