In 1970, congress created the environmental protection agency (epa) and they then passed this act giving the federal government authority to clean up air pollution in the united states.

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

What occurs when a cell engulfs large food particals