Which supports the idea of this ecosystem being open? question 1 options: weathering of rocks returns phosphorous to the soil plants uptake soluble phosphorous from the soil runoff and erosion bring phosphorous into the water system soluble phosphorous is immobilized by microbes

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.