Hazardous materials are regulated by several different government agencies. the five main federal agencies involved in hazardous materials regulation are the pipeline and hazardous materials safety administration (phmsa), occupational health and safety administration (osha), nuclear regulatory commission (nrc), environmental protection agency (epa), and:

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.