An element is a pure substance that cant be broken down into simpler substances by chemical or physical means. hope it helps :)
Answer:
Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.
Explanation:
Answer:
because its not going down a long hill instead its going on a leveled street
If it is a true or false question then it is true
