Theory can be changed based on new research but law is backed up with immense info and is has not been broken once
When an atom transfers/ gains a valence electron, it gains either a positive or negative charge. in the Proces, becoming an ion. because of the negative/positive charge the two ions are now attracted to each other.
Explanation:
The sun heats the air leading to warm air. the warm air rises thus makes the cooler air from the surroundings to replace it. This leads to creating wind . This same process applies for ocean currents.
The sun heats water which make warm water come to the surface of the ocean thus replacing it with cooler water leading to ocean currents.
There’s one hundred centimeters in one meter, and one thousand millimeters per meter.
that being said, 3000 mm are in 1 meter