Chemical weathering is noted by which of the following?
a. does not change the appearence
b. changes the appears
c. changes the chemical makeup of the rock
d. turns the rock into a carbon based compound

Which element is found in both dna and proteins

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

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?