Light bounces back due to the phenomenon called reflection. When light incidents on a plane shiny surface like mirror, it travels again in the same medium(medium from which light was incident) with no loss in energy(energy before and after reflection will remain same iff incident surface completely reflects light)
Ok 3 A9 ok so that is right
The first figure matches the description
The answer would be font group; home. We use the clear formatting button if you want to delete the style, effects of the text and the font formatting in the document. So to do this, select the text you want to clear the formatting then go to the home tab, in the font group, look for the clear formatting.
When electrons are lost a positive ion is formed. When electrons are gained, a negative ion is formed. I hope this helps