Google states, "A topographer is a specific type of cartographer. Topographers use contour lines to create 2-dimensional representations indicating the 3-dimensional aspects of portions of the earth's surface. Increasingly, these maps may be created digitally as well as on paper."
In simpler terms, a topographer surveys land and created representations of it.
Answer:
it is like a secret code that you can use to talk to people when you don't want an enemy to find out your tactics.
Explanation:
Answer:
cardboard effect. Not sure though.
<span>The law of conservation of energy states that energy can change from one form into another, but it cannot be created or destroyed. Or the general definition is: The totalenergy of an isolated system remains constant over time. ... A device that demonstrates the Law of Conservation of Mechanical Energy and Momentum.</span>
