If you put on an "angry face" then a. your heart rate will decelerate more than if you put on a happy face b. your heart rate will rise faster than if you put on a happy face c. your parasympathetic nervous system will become active d. physiological change will not occur because it is a false emotion

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.