Contour lines determine the steepness of the land by how close they are together. Generally, contour lines rise to a particular scale (e.g. a line for every ten metres), therefore, if the contour lines are closer together then the height of that particular area has risen more steeply than if the contour lines are further apart where the steepness has increased more gradually.
Because modern civilization had accomplish that
In my opinion the subfield of geography that is the most important is the study of climates or climatology.
<h3>What is climatology?</h3>
This is the study of climate and how it changes in the environment that we live in overtime.
The reason why this is very important is that it lets us know more about our changing environment.
The study helps us to avert the disasters that are associated with climate changes worldwide.
Read more on climate here:
brainly.com/question/17922964
Hey man!
The discovery of large oil reserves, this is the principal actor that changed the modern countries in the arabian peninsula. One of this examples was the Iraqi War when Saddam Hussein invaded Kuwait.