Um im pretty sure there are only about 100 different atoms...
Answer:
One is tension force that acts on the string and the other one is gravitational force that is acting on the pen and is therefore, the one that pulls the pen towards the ground. Therefore, the pen's motion is caused by the unbalanced force acting on the pen.
Answer:
gas and element and compound
Explanation:
because it's different and more power so the elements
I believe it occurs along the plates edge.
