I think the answer is B. Geographers use different kinds of maps, depending on the subject they are studying. <span />
Were is the rest of the question...I mean were is the so called column
Answer: Do yourself.
Explanation: I'm not gonna lie your kinda stoopid.
Answer:
Overlay is a GIS operation that superimposes multiple data sets (representing different themes) together for the purpose of identifying relationships between them.[2]. An overlay creates a composite map by combining the geometry and attributes of the input data sets. Tools are available in most GIS software for overlaying both Vector or raster data.
Explanation:
Before the use of computers, a similar effect was develioped by Ian McHarg and others by drawing maps of the same area at the same scale on clear plastic and actually laying them on top of each other.
You have to pay more attention at class to understand the question dummmie..!!
