The image is an aerial photograph. what is the geological feature shown?
a) a large fault on earth’s crust
b) the dry bed of an ancient river
c) a canyon, created by the erosion
d) sand dunes deposited by the wind

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

Is a state government creates a new tax to fund schools a example of checks and balances

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?