A review of fossil evidence found throughout the geologic periods on Earth would indicate that during the Silurian period A) the Earth's overall climate was much warmer. B) the majority of Earth's surface was covered by glaciers. C) the majority of Eath's surface was no longer under water. D) the continents as we know them today were joined together.

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.