Can anyone help me for number 8 I need ASAP

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

Ascientific idea becomes valid when it is what?

What best describes emerging scientific ideas