ANSWER FIRST AND YOU GET BRAINLST Why are nonrenewable energy sources important to humans? (Select all that apply.)
They can be used to create wind.
They can be used to create chemicals.
They can be used to create biomass.
They can be used to make plastics.

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

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%