I am still not getting the point.
How do the smoke know they have to spread in the air? How do the air/space know they have to make smoke spread? What controls this?
What determines the higher or lower potential?
How do the smoke know they have to spread in the air? How do the air/space know they have to make smoke spread? What controls this?
What determines the higher or lower potential?
إرسال تعليق