Ozone is formed when a. two oxygen molecules combine b. an individual oxygen atom combines with an oxygen molecule c. ultraviolet radiation breaks apart four oxygen molecules d. oxygen molecules are broken into separate atoms

the united states presidential election of 1844 was the 15th quadrennial presidential election, held from november 1, to december 4, 1844. democrat james k. polk defeated whig henry clay in a close contest that turned on the controversial issues of slavery and the annexation of the republic of texas.

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.