Chemical precipitation occurs when a product is and precipitates out of a solution. by comparison, precipitation reactions require the reactants to be in the solvent.

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water

There are no metaphors.

Answer heart of american                  live in harmony                    hillsides of orchards                    blaze of color                    backdrop of pines;