Let x be the number of years that have passed since 1900 (at 1900, x = 0). Let y be the total meters of erosion. Write an equation in terms of x and y to represent the erosion at any point between 1900 and 1905.

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.