The answer is (2) Copper. Because copper is consist of atom. If it is decomposed, the atom will be changed. While chemical change is just the break down and form of chemical bonds between atoms.
<span>A generator converts mechanical energy into
electrical energy, while a motor does the opposite - it converts
electrical energy into mechanical energy.</span>
Electron, because they’re about 1/2000 the mass of a proton or nuetron
Answer:
The majority of the molecules move from higher to lower concentration, although there will be some that move from low to high. The overall (or net) movement is thus from high to low concentration.
hope this helps!<3
I don’t know “which substance” are you talking about??
You can put the picture there so we can see.
