Answer:
C. Every element contains one type of atom.
Explanation:
Every atom can be labeled as only one kind of element. So there are gold atoms, iron atoms and so on. When you say "this element" it is basically the same as saying "this atom" or "This type of atom" So C is right.
Amplitude of vibration is the maximum displacement of an object that has been moved from one point to another due to a vibrating body or its wave measured from an equilibrium position. In short, it is the distance of the object that moved from the vibration.
Answer:
Explanation:
The sun keeps all of the planets in orbit around it. Without the sun, all of the planets would fly off into space (out of orbit)
We can feel it as heat, using the nerve endings in our skins.