Which is the best way to conserve worldwide freshwater resources? 1.increase the amount of land used to raise cattle 2.use more efficient irrigation techniques 3.develop more modern coal-powered plants 4.build more roads and highways for cars and trucks

Graded assignment lab report answer the questions below. 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.