What is a benefit of north America doing climate change and how do they benefit

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which of these statements are true about scientific theories and hypothesis

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