The purpose of the immune system is to identify and eliminate foreign substances within the body. in which of the following cases is an immune response not beneficial?
i. allergic reaction
ii. bacterial infection
iii. organ transplant
iv. viral infection

Energy derived from hot rocks and fluids beneath the earth’s surface is

Rotenone is an insecticide that is toxic

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.