Rays should always be drawn from the of the arrow that represent the object

Cpowerlifting my boi

If your workout exceeds an hour you should substitute "a sports drink" for water.hope my answer has you : )

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.