What factors determine the characteristics of an air mass? A.
the direction it moves
B.
the speed at which it moves
C.
the temperature and humidity of the air
D.
the weather conditions it brings

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

How does blood cycle from the heart to the lungs, back to the heart and out to the body? use the terms heart, lungs, arteries, veins, capillaries, cells, oxygen, and carbon dioxide. (6 points! ) be clear and specific! i recommend starting at the heart with your description.