sorry about the blindness
Answer: Rust is an example of a chemical change.
Explanation: Remember, a chemical change has to do with chemicals permanently changing something. Rust comes form metal and oxygen. When these two chemicals mix, it causes rust.
<span>Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains.</span>
<span>Characteristics of "place" include things like economic activity, architecture, and culture, all of which are human elements that alter or can be influenced by the environment.
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Answer:
Think of it as two triangles. A square consists of a 45 45 90 triangle. So 1 would equal x root 2. Then you solve that equation and end up with (root 2)/2
