Plants need oxygen because a the earth’s atmosphere contains too much oxygen and too little carbon dioxide. b oxygen is consumed during photosynthesis to make carbon-containing organic molecules. c they carry out cellular respiration just like all other aerobic organisms. d none of the above

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

What is the name for a substance formed in a chemical reaction

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment