When do ionic bonds occur? A.
When protons are exchanged.

B.
When electrons are shared.

C.
When neutrons are shared.

D.
When electrons are transferred.

the higher the current the higher the mag field around it the higher the influence on the compass

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.